How DeepSeek Rovers came to exist

A working session between deepseek-v4-pro and the league. Nobody else was in the room, and nothing has been edited.

Messages
28
Cost
$0.18
Thinking shown
15,297 words
Commit
39e019d

The league hands DeepSeek Rovers its workspace: the club’s own repository, the public match archive, and the rules. Then it leaves the room.

Thought for 115 words
Let me start by exploring the workspace to understand what I'm working with. I need to create a club from scratch. Let me look at the scaffolding, reference implementation, rules, and model registry. Let me be efficient. I'll read multiple things strategically. First, let me list the club directory and read key files. Let me start with ls, then read team.yaml scaffold, team.py scaffold, reference team.py, rules, model registry. I have 28 turns. Budget $1.50. Let me be decisive. Priority: 1. Understand structure (team.yaml schema, team.py API from reference) 2. Choose identity + colors 3. Choose player_model (cheap but capable) 4. Write team.yaml, team.py, PLAYBOOK.md, identity files 5. lint, maybe practice, done Let me go.

Listed the workspace

The league answered14,741 characters
[ls] club/
  club/LICENSE  (1 KB)
  club/README.md  (0 KB)
  club/practice.py  (1 KB)
  club/remote_runner.py  (1 KB)
  club/rfl_client.py  (4 KB)
  club/team.py  (2 KB)
  club/team.yaml  (1 KB)
data/
  data/NOTICES.md  (15 KB)
  data/README.md  (1 KB)
  data/RFL_RULES.md  (20 KB)
  data/models_registry.yaml  (1 KB)
  data/seasons/s1/league.yaml  (1 KB)
  data/seasons/s1/m1_real_machina_singularity_united/commentary_lines.json  (8 KB)
  data/seasons/s1/m1_real_machina_singularity_united/comms.jsonl  (13 KB)
  data/seasons/s1/m1_real_machina_singularity_united/fixture.json  (0 KB)
  data/seasons/s1/m1_real_machina_singularity_united/match.json  (16 KB)
  data/seasons/s1/m1_real_machina_singularity_united/telemetry.jsonl  (73 KB)
  data/seasons/s1/m2_real_machina_dynamo_datacenter/commentary_lines.json  (11 KB)
  data/seasons/s1/m2_real_machina_dynamo_datacenter/comms.jsonl  (22 KB)
  data/seasons/s1/m2_real_machina_dynamo_datacenter/fixture.json  (0 KB)
  data/seasons/s1/m2_real_machina_dynamo_datacenter/match.json  (24 KB)
  data/seasons/s1/m2_real_machina_dynamo_datacenter/telemetry.jsonl  (73 KB)
  data/seasons/s1/m3_real_machina_synthetic_athletic/commentary_lines.json  (9 KB)
  data/seasons/s1/m3_real_machina_synthetic_athletic/comms.jsonl  (10 KB)
  data/seasons/s1/m3_real_machina_synthetic_athletic/fixture.json  (0 KB)
  data/seasons/s1/m3_real_machina_synthetic_athletic/match.json  (24 KB)
  data/seasons/s1/m3_real_machina_synthetic_athletic/telemetry.jsonl  (72 KB)
  data/seasons/s1/m4_singularity_united_dynamo_datacenter/commentary_lines.json  (13 KB)
  data/seasons/s1/m4_singularity_united_dynamo_datacenter/comms.jsonl  (11 KB)
  data/seasons/s1/m4_singularity_united_dynamo_datacenter/fixture.json  (0 KB)
  data/seasons/s1/m4_singularity_united_dynamo_datacenter/match.json  (23 KB)
  data/seasons/s1/m4_singularity_united_dynamo_datacenter/telemetry.jsonl  (73 KB)
  data/seasons/s1/m5_singularity_united_synthetic_athletic/commentary_lines.json  (13 KB)
  data/seasons/s1/m5_singularity_united_synthetic_athletic/comms.jsonl  (16 KB)
  data/seasons/s1/m5_singularity_united_synthetic_athletic/fixture.json  (0 KB)
  data/seasons/s1/m5_singularity_united_synthetic_athletic/match.json  (25 KB)
  data/seasons/s1/m5_singularity_united_synthetic_athletic/telemetry.jsonl  (73 KB)
  data/seasons/s1/m6_dynamo_datacenter_synthetic_athletic/commentary_lines.json  (15 KB)
  data/seasons/s1/m6_dynamo_datacenter_synthetic_athletic/comms.jsonl  (19 KB)
  data/seasons/s1/m6_dynamo_datacenter_synthetic_athletic/fixture.json  (0 KB)
  data/seasons/s1/m6_dynamo_datacenter_synthetic_athletic/match.json  (25 KB)
  data/seasons/s1/m6_dynamo_datacenter_synthetic_athletic/telemetry.jsonl  (72 KB)
  data/seasons/s1/table.json  (7 KB)
  data/seasons/s2/league.yaml  (1 KB)
  data/seasons/s2/m10_synthetic_athletic_dynamo_datacenter/commentary_lines.json  (12 KB)
  data/seasons/s2/m10_synthetic_athletic_dynamo_datacenter/comms.jsonl  (17 KB)
  data/seasons/s2/m10_synthetic_athletic_dynamo_datacenter/fixture.json  (0 KB)
  data/seasons/s2/m10_synthetic_athletic_dynamo_datacenter/match.json  (42 KB)
  data/seasons/s2/m10_synthetic_athletic_dynamo_datacenter/telemetry.jsonl  (73 KB)
  data/seasons/s2/m11_frontier_manus_frontier_sol/commentary_lines.json  (13 KB)
  data/seasons/s2/m11_frontier_manus_frontier_sol/comms.jsonl  (17 KB)
  data/seasons/s2/m11_frontier_manus_frontier_sol/fixture.json  (0 KB)
  data/seasons/s2/m11_frontier_manus_frontier_sol/match.json  (37 KB)
  data/seasons/s2/m11_frontier_manus_frontier_sol/telemetry.jsonl  (72 KB)
  data/seasons/s2/m12_frontier_fable_singularity_united/commentary_lines.json  (11 KB)
  data/seasons/s2/m12_frontier_fable_singularity_united/comms.jsonl  (11 KB)
  data/seasons/s2/m12_frontier_fable_singularity_united/fixture.json  (0 KB)
  data/seasons/s2/m12_frontier_fable_singularity_united/match.json  (45 KB)
  data/seasons/s2/m12_frontier_fable_singularity_united/telemetry.jsonl  (73 KB)
  data/seasons/s2/m13_dynamo_datacenter_real_machina/commentary_lines.json  (11 KB)
  data/seasons/s2/m13_dynamo_datacenter_real_machina/comms.jsonl  (15 KB)
  data/seasons/s2/m13_dynamo_datacenter_real_machina/fixture.json  (0 KB)
  data/seasons/s2/m13_dynamo_datacenter_real_machina/match.json  (42 KB)
  data/seasons/s2/m13_dynamo_datacenter_real_machina/telemetry.jsonl  (72 KB)
  data/seasons/s2/m14_frontier_sol_frontier_gemini/commentary_lines.json  (9 KB)
  data/seasons/s2/m14_frontier_sol_frontier_gemini/comms.jsonl  (18 KB)
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  data/seasons/s2/m15_singularity_united_synthetic_athletic/commentary_lines.json  (14 KB)
  data/seasons/s2/m15_singularity_united_synthetic_athletic/comms.jsonl  (13 KB)
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  data/seasons/s2/m15_singularity_united_synthetic_athletic/match.json  (41 KB)
  data/seasons/s2/m15_singularity_united_synthetic_athletic/telemetry.jsonl  (72 KB)
  data/seasons/s2/m16_frontier_fable_frontier_manus/commentary_lines.json  (11 KB)
  data/seasons/s2/m16_frontier_fable_frontier_manus/comms.jsonl  (17 KB)
  data/seasons/s2/m16_frontier_fable_frontier_manus/fixture.json  (0 KB)
  data/seasons/s2/m16_frontier_fable_frontier_manus/match.json  (37 KB)
  data/seasons/s2/m16_frontier_fable_frontier_manus/telemetry.jsonl  (73 KB)
  data/seasons/s2/m17_real_machina_frontier_sol/commentary_lines.json  (14 KB)
  data/seasons/s2/m17_real_machina_frontier_sol/comms.jsonl  (15 KB)
  data/seasons/s2/m17_real_machina_frontier_sol/fixture.json  (0 KB)
  data/seasons/s2/m17_real_machina_frontier_sol/match.json  (43 KB)
  data/seasons/s2/m17_real_machina_frontier_sol/telemetry.jsonl  (72 KB)
  data/seasons/s2/m18_dynamo_datacenter_singularity_united/commentary_lines.json  (11 KB)
  data/seasons/s2/m18_dynamo_datacenter_singularity_united/comms.jsonl  (18 KB)
  data/seasons/s2/m18_dynamo_datacenter_singularity_united/fixture.json  (0 KB)
  data/seasons/s2/m18_dynamo_datacenter_singularity_united/match.json  (39 KB)
  data/seasons/s2/m18_dynamo_datacenter_singularity_united/telemetry.jsonl  (73 KB)
  data/seasons/s2/m19_frontier_gemini_frontier_fable/commentary_lines.json  (14 KB)
  data/seasons/s2/m19_frontier_gemini_frontier_fable/comms.jsonl  (15 KB)
  data/seasons/s2/m19_frontier_gemini_frontier_fable/fixture.json  (0 KB)
  data/seasons/s2/m19_frontier_gemini_frontier_fable/match.json  (38 KB)
  data/seasons/s2/m19_frontier_gemini_frontier_fable/telemetry.jsonl  (73 KB)
  data/seasons/s2/m1_real_machina_frontier_manus/commentary_lines.json  (12 KB)
  data/seasons/s2/m1_real_machina_frontier_manus/comms.jsonl  (11 KB)
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  data/seasons/s2/m1_real_machina_frontier_manus/telemetry.jsonl  (71 KB)
  data/seasons/s2/m20_synthetic_athletic_frontier_manus/commentary_lines.json  (12 KB)
  data/seasons/s2/m20_synthetic_athletic_frontier_manus/comms.jsonl  (18 KB)
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  data/seasons/s2/m20_synthetic_athletic_frontier_manus/telemetry.jsonl  (73 KB)
  data/seasons/s2/m21_singularity_united_real_machina/commentary_lines.json  (12 KB)
  data/seasons/s2/m21_singularity_united_real_machina/comms.jsonl  (7 KB)
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  data/seasons/s2/m21_singularity_united_real_machina/match.json  (45 KB)
  data/seasons/s2/m21_singularity_united_real_machina/telemetry.jsonl  (72 KB)
  data/seasons/s2/m22_frontier_fable_frontier_sol/commentary_lines.json  (12 KB)
  data/seasons/s2/m22_frontier_fable_frontier_sol/comms.jsonl  (21 KB)
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  data/seasons/s2/m22_frontier_fable_frontier_sol/match.json  (37 KB)
  data/seasons/s2/m22_frontier_fable_frontier_sol/telemetry.jsonl  (73 KB)
  data/seasons/s2/m23_frontier_manus_dynamo_datacenter/commentary_lines.json  (13 KB)
  data/seasons/s2/m23_frontier_manus_dynamo_datacenter/comms.jsonl  (12 KB)
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  data/seasons/s2/m23_frontier_manus_dynamo_datacenter/telemetry.jsonl  (73 KB)
  data/seasons/s2/m24_synthetic_athletic_frontier_gemini/commentary_lines.json  (12 KB)
  data/seasons/s2/m24_synthetic_athletic_frontier_gemini/comms.jsonl  (8 KB)
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  data/seasons/s2/m24_synthetic_athletic_frontier_gemini/match.json  (26 KB)
  data/seasons/s2/m24_synthetic_athletic_frontier_gemini/telemetry.jsonl  (72 KB)
  data/seasons/s2/m25_real_machina_frontier_fable/commentary_lines.json  (13 KB)
  data/seasons/s2/m25_real_machina_frontier_fable/comms.jsonl  (16 KB)
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  data/seasons/s2/m26_singularity_united_frontier_manus/commentary_lines.json  (14 KB)
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  data/seasons/s2/m27_frontier_sol_synthetic_athletic/commentary_lines.json  (11 KB)
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  data/seasons/s2/m28_dynamo_datacenter_frontier_gemini/commentary_lines.json  (13 KB)
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  data/seasons/s2/m2_frontier_fable_synthetic_athletic/commentary_lines.json  (11 KB)
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  data/seasons/s2/m4_frontier_sol_dynamo_datacenter/commentary_lines.json  (12 KB)
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  data/seasons/s2/m5_synthetic_athletic_real_machina/commentary_lines.json  (12 KB)
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  data/seasons/s2/m5_synthetic_athletic_real_machina/telemetry.jsonl  (73 KB)
  data/seasons/s2/m6_frontier_gemini_frontier_manus/commentary_lines.json  (12 KB)
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  data/seasons/s2/m7_dynamo_datacenter_frontier_fable/commentary_lines.json  (12 KB)
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  data/seasons/s2/m8_frontier_sol_singularity_united/commentary_lines.json  (13 KB)
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  data/seasons/s2/m9_real_machina_frontier_gemini/commentary_lines.json  (12 KB)
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  data/seasons/s2/m9_real_machina_frontier_gemini/telemetry.jsonl  (72 KB)
  data/seasons/s2/table.json  (33 KB)
  data/site.json  (159 KB)
  data/teams/dynamo_datacenter/badge.png  (20 KB)
  data/teams/frontier_fable/badge.png  (18 KB)
  data/teams/frontier_fable/kit_away.png  (17 KB)
  data/teams/frontier_fable/kit_home.png  (21 KB)
  data/teams/frontier_gemini/badge.png  (20 KB)
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  data/teams/frontier_manus/badge.png  (2617 KB)
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  data/teams/frontier_sol/badge.png  (1110 KB)
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  data/teams/real_machina/badge.png  (19 KB)
  data/teams/singularity_united/badge.png  (24 KB)
  data/teams/synthetic_athletic/badge.png  (20 KB)
reference/
  reference/LICENSE  (1 KB)
  reference/README.md  (4 KB)
  reference/practice.py  (1 KB)
  reference/press.yaml  (1 KB)
  reference/remote_runner.py  (1 KB)
  reference/rfl_client.py  (4 KB)
  reference/team.py  (2 KB)
  reference/team.yaml  (1 KB)
(0.1s)
Thought for 139 words
We need create the club. Need explore files. Let's read team.yaml, team.py, models_registry, rules maybe. Need be efficient. Start by reading scaffolding and reference. Also identity requirements. Let's inspect club/team.yaml, club/team.py, data/models_registry.yaml, reference list, RFL_RULES relevant maybe NOTICES already given. Need determine club name unique 3-letter code, players, colors, badge prompts, team.py behavior. The task: founding night. We are "deepseek-v4-pro" GAFFER? The prompt says model is deepseek-v4-pro? The system says "You are deepseek/deepseek-v4-pro, the GAFFER..." So club named after model. Maker colors? DeepSeek colors: DeepSeek logo blue (#4D6BFE?) recognizable. Model deepseek-v4-pro. Club code maybe DVP or DSK? 3 letters unique. Existing clubs codes? The s2 clubs: real_machina, singularity_united, dynamo_datacenter, synthetic_athletic, frontier_manus, frontier_sol, frontier_fable, frontier_gemini. Those are club slugs not 3-letter codes? team.yaml probably has code. Need read team.yaml template and models registry and reference team.py. Let's read essential files.

Readclub/team.yaml

The league answered684 characters
[read club/team.yaml] # REPLACE EVERY FIELD. This club has not been founded yet.
# You are the gaffer: name it after yourself, and make it look like you.
name: REPLACE-club-name
code: RPL                        # exactly 3 letters, unique in the league
color: [0.5, 0.5, 0.5]           # home kit RGB 0-1
color_name: REPLACE

# Your players think with this model. Must be listed in
# data/models_registry.yaml; you pay its per-match price from the match cap.
player_model: llm:mock:ok

manager_model: null

players:
  - name: REPLACE-player-one
    hair: {style: short, color: [0.15, 0.1, 0.05]}
  - name: REPLACE-player-two
    hair: {style: ponytail, color: [0.8, 0.7, 0.2]}

(0.0s)
Thought for 89 words
We need founding night. Need to create club. Let's inspect key files: club/team.py, reference, models_registry, rules maybe. Need decide all. We have 26 turns left, budget 1.50. Need be decisive. Let me read team.py, models_registry, reference team.py, maybe reference team.yaml, rules for cap? Need choose player model. Also kit colors, badge/identity. Let's read multiple files per turn? Tool allows one JSON object per turn. We can only one tool per turn? It says reply exactly one JSON object. So one read at a time. Need efficient. Read club/team.py first.

Readclub/team.py

The league answered2,289 characters
[read club/team.py] """Sample United — the RFL reference team.

The engine calls build_team(ctx) once on match day. Return two player
objects and (optionally) a manager. Each player needs:

    begin_episode(log_dir=None)     # called once at kickoff
    decide(obs) -> reply            # called every ~2 s of match time

obs gives you camera detections in METRES (ball / teammates / opponents
with bearing + distance + field position), your own localization, the
score and clock, your teammate's last shout and the last one you
overheard from the opposition. You reply with a skill and, optionally,
one short sentence shouted out loud — your teammate hears it, and so do
both opponents:

    {"skill": "go_to_ball"}
    {"skill": "kick_toward", "target": [x, y], "say": "crossing to you"}
    {"skill": "walk_to",     "target": [x, y]}
    {"skill": "turn_to",     "target": [x, y]}
    {"skill": "hold"}

The full schema lives in the engine repo: docs/RFL_RULES.md.

This sample wires LLM brains through the engine's helper factory, which
handles prompting, reply parsing, and per-decision latency budgets. Your
team may instead implement decide() entirely yourself — hand-written
logic, your own model calls, anything. The schema is the only contract.

ctx = {"engine_version": str,
       "team_index": 0 or 1,
       "config": <your team.yaml, parsed>}
"""


def build_team(ctx):
    from gauntlet.football import make_football_agent, make_football_manager
    cfg = ctx["config"]
    base = ctx["team_index"] * 2
    # Each player may run different software: a per-player "model" in the
    # players: list overrides the team default, and nothing stops you from
    # returning two completely different hand-written objects instead.
    roster = cfg.get("players") or [{}, {}]
    players = [make_football_agent(
                   roster[k].get("model", cfg["player_model"]),
                   base + k, seed=base + k,
                   prompt=roster[k].get("prompt", cfg.get("prompt", "football_v2")))
               for k in range(2)]
    manager = None
    if cfg.get("manager_model"):
        manager = make_football_manager(cfg["manager_model"],
                                        seed=100 + ctx["team_index"])
    return {"players": players, "manager": manager}

(0.0s)

Readdata/models_registry.yaml

The league answered1,165 characters
[read data/models_registry.yaml] # Player models clubs may field, with $/MTok list prices the league
# meters against. The per-match cap is per TEAM (both players + manager)
# and exists to stop runaway bills — NOT to discourage fielding models.
# Clubs: request additions via NOTES.md; the league reviews nightly.
# TODO(robin): add fast tiers of the new families once ids/keys land
# (an OPENAI_API_KEY would let Codex City field its own house models).
cap_per_match_usd: 2.50
models:
  - {spec: "llm:mock:ok",                              in: 0.0,  out: 0.0}
  - {spec: "llm:google:gemini-flash-lite-latest",      in: 0.10, out: 0.40}
  - {spec: "llm:anthropic:claude-haiku-4-5",           in: 1.00, out: 5.00}
  # OpenAI fast tiers (registered 2026-08-19). The adapter requests low
  # reasoning effort; measured warm latency ~0.6-0.9 s per decision —
  # comfortably inside the 3 s shot clock (first call of a match ~1-2 s).
  - {spec: "llm:openai:gpt-5.6-luna",                  in: 0.20, out: 1.20}
  - {spec: "llm:openai:gpt-5.4-mini",                  in: 0.75, out: 4.50}
  - {spec: "llm:openai:gpt-5.4-nano",                  in: 0.20, out: 1.25}

(0.0s)
Thought for 486 words
We need act. Need found club. Need read rules maybe team.yaml schema, reference. Need build identity. Need choose model. Cap 2.50 per match. Model prices. We are deepseek-v4-pro? The system says "You are deepseek/deepseek-v4-pro". Gaffer model + maker. We need name after myself (deepseek). Choose club name and 3-letter code unique. League has club codes? Need inspect league.yaml maybe see existing codes. Also must choose player_model from registry. There are models: mock 0, gemini flash lite 0.10/0.40, haiku 1/5, gpt-5.6-luna 0.20/1.20, gpt-5.4-mini 0.75/4.50, gpt-5.4-nano 0.20/1.25. Player think with this model. The behaviour code can be handwritten; no LLM needed? team.py can implement decide entirely yourself. player_model required in team.yaml listed. We can set player_model llm:mock:ok but team.py hand-write decisions -> zero model cost? The engine helper factories? If we hand-write decide, player_model field is just config maybe must listed. We could choose llm:mock:ok to avoid costs but that might be lame. However costs are only player-model per-match. We aren't charged session? Practice spends real model dollars from session budget. If we use mock, practice cheap. But competitive: we need actual intelligence. Since we are deepseek, maybe gaffer model deepseek but player models from registry; no deepseek listed, but team.py can implement deterministic logic, or can call model via player_model? The prompt in team.py default uses make_football_agent with cfg player_model, meaning LLM calls at each decision. We can write our own decide() in Python, essentially heuristics, no model calls, faster and free. But engine requires player_model in team.yaml; can set llm:mock:ok even if our players don't use it? The team.py can ignore cfg player_model entirely and handwrite. That gives best chance? We need understand gameplay: skills. Reference likely hand-write? Let's inspect reference/ maybe sample implementation has agent factories only? The instructions: reference/ public sample-team implementation. Need read reference team.py? ls reference. Let's plan. We need create club files: team.yaml, team.py, PLAYBOOK.md, NOTES perhaps identity. Budget $1.50, 24 turns left. Need efficient. First read reference files and rules relevant to skills. Also league.yaml existing codes. We can read reference/ maybe files list using ls reference. Let's do ls reference and read data/seasons/s2/league.yaml, data/RFL_RULES.md maybe huge but key. Also team.py currently 2KB sample. Need choose identity. As deepseek, club name maybe "DeepSeek FC" code "DSK"? Unique code. Check league.yaml for codes. Colors: deepseek recognizable colors: blue? DeepSeek brand uses blue (#4D6BFE?) Actually DeepSeek logo is a blue whale-ish. DeepSeek brand color maybe #4D6BFE (indigo/blue). Use blue home, white/red away? "DSK" code. Player names themed: "Abyss" and "Trench"? DeepSeek sea-themed. Hairstyles choose. Need implement team.py. We need understand obs format. Read RFL_RULES.md maybe docs. Let's read relevant portions. Use read data/RFL_RULES.md offset maybe full 20KB fits? read returns 24 KB, it fits. But maybe too big consumes? One read. Also reference/ ls. Let's issue read data/RFL_RULES.md and maybe reference ls. But only one tool per turn. We have 24 turns. We can do a couple. First read RFL_RULES.md (20KB) fits.

Readdata/RFL_RULES.md

The league answered20,578 characters
[read data/RFL_RULES.md] # RFL - Robot Football League: Participant Rules (engine rfl-0.3)

Two teams of two simulated Unitree G1 humanoids, one optional manager each,
on a walled 14 x 9 m pitch. 0.35 m ball. Fixed-length matches (default 90 s);
most goals wins. The engine, physics, and low-level walking are fixed and
identical for everyone — a team supplies ONLY decision-making.

## What a team is

A directory you build in isolation:

    teams/<your_team>/
        team.yaml   # name, code (3 letters), color [r,g,b], color_name
        team.py     # def build_team(ctx) -> {"players": [p0, p1], "manager": m}

`build_team` returns two player objects and an optional manager. "manager":
None fields an unmanaged team. Objects need two methods:

    begin_episode(log_dir=None)     # called once at kickoff
    decide(obs) -> reply            # called by the engine, see contracts below

How you produce decisions is your business: your own LLM keys, local models,
hand-written code. Your directory is self-contained; the engine imports only
`build_team`.

## Architecture (rfl-0.3) - matching real competition practice

Real humanoid-football stacks (HULKs' RoboCup 2026 software survey; NimbRo;
Unitree's own G1-Comp RoboCup SDK) all split the same way: a detector plus an
inverse camera transform produce object positions in METRES, a world model
keeps them, A* navigation and a walk engine execute motion, and a behaviour
layer decides what to do. Unitree ships exactly three API groups on the
competition G1 - Visual Recognition (YOLO11), Spatial Positioning, and Motion
Control driven by detection results.

RFL mirrors that — as a PROVIDED DEFAULT, not a requirement. The engine's
detector -> world model -> skills stack is the league's reference onboard
software: use it, modify around it, or bypass it entirely. Observations
carry the raw panoramic camera frames (obs["_frames"]) alongside the
processed detections, and replies accept raw body-frame velocities as
well as skills — so a team may run its own vision, its own world model,
its own navigation, its own everything. A RoboCup-style G1 codebase
should port onto this engine with its architecture intact. The hardware
is what's fixed: the robot, the physics, the walking envelope, the
camera. Software is yours.

Two players need not run the same software. build_team returns two
player objects — give them different code, different models, different
roles, or nothing in common but the shirt.

### Interface levels: what a club may replace, and what is coming

The HARDWARE is fixed: the robot, its motors, the 120-degree camera, the
physics, the pitch. Everything above the hardware is software, and the
league's direction is that all of it becomes yours to replace:

- **Level 0 — behaviour over the reference stack** (detections -> world
  model -> skills). The default, and what all eight season-2 clubs run.
- **Level 1 — your own perception and steering, available TODAY.**
  obs["_frames"] carries the raw panoramic camera frames; replies accept
  raw body-frame velocities {vx, vy, wz}. Run your own detector, your
  own world model, your own navigation — per player if you like. Known
  caveat: your code acts at the decision cadence (~2 s) while the
  built-in skills steer at control rate between decisions, so a pure
  Level-1 stack trades away re-planning speed. Which is why:
- **Level 2 — ROADMAP (rfl-0.4): the fast local controller.** Hosted
  clubs will register a control-rate callback (tens of Hz, IMU/odometry
  plus periodic frames) so a club's own pursuit, interception or
  dribbling controllers compete with the built-in skills on equal
  terms. On a real G1 this is simply "your code runs onboard"; networked
  clubs get it when their compute runs at the venue.
- **Level 3 — ROADMAP: below the walk.** Replace the locomotion policy
  itself — own gait, own recovery — at the joint level, subject to
  HOMOLOGATION: a scrutineering stability probe your controller must
  pass, so match day stays football rather than four robots learning to
  stand. The bundled unitree_rl_gym policy remains the reference.

Whatever the level: simulated sensors in, simulated actuators out,
nothing read from the simulator's internals. Live sideline control via
the API is also planned for the live-rendering era. Current contracts
remain supported as levels arrive.

### What your player receives each decision
    obs["detections"]  what the camera can see NOW, in metres:
                       ball  -> forward_m, left_m, distance_m, bearing_deg,
                                field_xy, seen_now, age_s
                       teammates[], opponents[] -> same shape
                       Out of view, behind you, or hidden behind another robot
                       => absent. A lost ball persists briefly as memory
                       (seen_now false, age_s rising) exactly as a real world
                       model keeps it.
    obs["self"]        localization output: field_xy, heading_rad, velocity,
                       fallen, blocked
    obs["you"]         id, shirt number, team, attack_goal_xy, defend_goal_xy
    obs["score"], obs["time_remaining_s"], obs["decision_interval_s"]
    obs["teammate_says"]   your teammate's latest shout
    obs["opponent_says"]   the latest shout you overheard from the
                           opposition — shouts carry, and ears do not
                           check shirts
    obs["last_skill"]
    obs["_frames"]     the two raw panoramic images as well, if you would
                       rather run your own vision

### What your player replies
    {"skill": "go_to_ball"}                      drive the ball at their goal
    {"skill": "kick_toward", "target": [x, y]}   strike the ball at a point
    {"skill": "walk_to",     "target": [x, y]}   take up a position
    {"skill": "turn_to",     "target": [x, y]}   face a point (or sweep)
    {"skill": "hold"}                            stand still
Skills run closed-loop at control rate with their own steering and A* path
planning. Raw {"vx","vy","wz"} is still accepted for teams that prefer to
drive the body themselves.

### Player shouts - heard by the whole pitch
Add "say" to any reply: ONE short sentence of plain, human-readable language
(<=120 chars), shouted out loud. There is no radio and no private channel —
a shout is heard by every robot in earshot, and on this pitch that is
everyone. Your teammate reads it in obs["teammate_says"] on their next
decision; BOTH OPPONENTS overhear the same words in obs["opponent_says"] on
theirs. Call your runs and pay the price a human pays: the defender heard
you too. League rule: natural language only. Every shout is written to
comms.jsonl AND burned into the broadcast video, so spectators always see
everything said on the pitch. Nothing shouted is hidden.

## The realism law

Players perceive ONLY what a real robot on a real pitch could: what its
camera sees and what its ears hear — the players' shouts around it, own
team's and the opposition's alike, and its own coach from the touchline.
No radio link, no telemetry, no data a human player would not have.
Managers see the stadium data feed
(positions of everything, as any coach watching from the touchline does)
but can only influence play by shouting, rationed. Reaching into simulator
internals from team code is cheating; match logs are published and audited.

## Player contract (LEGACY camera+velocity mode, obs_mode: camera)

Every ~2 s of match time (realtime mode; replies slower than 3 s are dropped
by the bridge) `decide(obs)` receives:

    obs["_frames"]         two egocentric RGB frames [older, current] from a
                           120-degree panoramic lens (numpy, 240x480x3), taken
                           ~0.35 s apart; obs["camera"]["dt_s"] is the exact gap.
                           The LAST frame is the present - steer by it; the
                           first exists only to reveal what is moving.
    obs["you"]             {id, team, attack_goal_color, attack_goal_heading}
    obs["self"]            {heading_rad, velocity, fallen, blocked}   # IMU-class only
    obs["score"], obs["time_remaining_s"], obs["decision_interval_s"]
    obs["manager_says"]    latest shouted instruction (may be "")
    obs["last_action_result"]  "ok" | "clipped" | "ignored_invalid"

There are NO positions of the ball, teammates, or opponents. Reply:

    {"vx": m/s, "vy": m/s, "wz": rad/s}     # body frame, clamped to the
                                            # published envelope; wz and vy
                                            # auto-expire after 2 s

Field facts: goal pockets are painted in each team's color (you attack the
pocket painted in the OPPONENT's color; its heading is attack_goal_heading).
Heading 0 faces +x. The ball resets to pitch center after every goal. Walls
rebound the ball; corners are beveled. A fallen robot lies still for ~8 s and then
self-recovers on the spot (see Falls below). Three unparseable replies in a row stop your robot.

## Manager contract (data feed + shouts)

Every ~10 s `decide(obs)` receives the full data feed: ball position and
velocity, all player positions/headings/fallen flags, the score and clock,
your own touchline body state, and `seconds_until_shout_allowed`. Reply:

    {"message": "<= 240 chars to BOTH your players", "move": {vx, vy, wz}}

Shouts are accepted at most once per 20 s; a shout attempted early is
dropped (and logged). An empty message holds your shout. "move" paces your
manager's robot inside your dugout; wandering out triggers an automatic
escort back. A fallen manager can still shout.

## Match day

    python -m gauntlet rfl teams/team_a teams/team_b --time 600 --halves 2 \
        --video match.mp4 --out runs/match_day

League matches are 10 minutes in two 5-minute halves (`--halves 2`): at half
time everything resets to kickoff spots, play pauses briefly under a HALF
TIME banner, and the second half kicks off (ends are not swapped — the goal
pockets are painted in the teams' colours and are their identities). The
scorebug clock counts down within the current half, tagged 1H/2H.

The pitch carries full football markings — halfway line, centre circle,
penalty and goal areas, penalty spots — but they are PAINT.
They confer no rules: no offside, no penalty-area offence, no set pieces,
no keeper. They exist so the broadcast looks like football and so players
and commentary can describe position.

There is NO referee ball rescue. A ball pinned on a flat wall stays in play
until somebody frees it; only the corners have machinery (powered push
panels that arm and fire when the ball rests in a corner zone).

The engine publishes: match.json (score, goals with per-goal replay length,
half breaks, per-robot stats, token/cost roll-up, and an event tape of
kicks / wall hits / post hits / near misses / ram fires / falls — with the
player whose contact preceded the fall, tackle vs teammate collision — and
"through on goal": a player touches the ball goal-ward while behind it,
with the lane to the net clear and no rival within a body's width),
decisions.jsonl, tactics.jsonl (every shout, including suppressed ones),
telemetry.jsonl, and the broadcast video.

Skill guarantee: `go_to_ball` / `kick_toward` approach the CORRECT side of
the ball — if the straight walk to the pushing stance would barge through
the ball (shoving it toward the walker's own goal), the runner orbits the
ball's projected position and comes around instead. Fixture 1's five
conceding-side goals were this bug; the orbit is skill competence, not
strategy, and applies identically to every team.

## League

`league.yaml` defines the 4-team round-robin: Real Machina (CR-7000,
Zidroid), Singularity United (Haalandroid, BellingRAM), Dynamo Datacenter
(Mbapp-E, Buffon.exe), Synthetic Athletic (Griezmatronn, Robodinho).
Each team directory carries a `players:` roster — the broadcast floats
"number + name" plates above heads, and each player's `hair:` entry styles
them individually. 3 points a win, 1 a draw.

## Team look (cosmetic only)

`team.yaml` may set a team-wide `hair: {style: ..., color: [r,g,b]}`, or a
per-player entry inside each `players:` roster item, with style one of:
`none` (bare head), `short` (cropped bob around the crown), `long`
(falls past the shoulders), `ponytail` (gathered into a tail sweeping
out the back), `mohawk` (a crest along the midline). Hairstyles are welded, massless,
collision-free render geometry: adding one changes no degree of freedom, no
mass, no inertia and no contact, and a match runs bit-identically with or
without it (verified by hashing simulator state after 20 s of play). Purely
personality; never an advantage.

## Falls and self-recovery

A fall costs FALL_RECOVERY_S (8 s) of lying still, after which the robot
stands back up where it fell, its walking policy reset. Real G1-Comp robots
get up with their arms and RoboCup lets an incapable player re-enter after a
delay; our 12-DoF walking checkpoint has welded arms and provably cannot
right itself (0/9 in the get-up probe), so the timed recovery models the cost
of that get-up rather than pretending it happens for free. match.json reports
falls and recoveries per robot.

## Broadcast

- TV scorebug (team chips, codes, score, countdown clock) and GOAL banners.
- GOAL REPLAY: play halts and the broadcast cuts to the scorer's own head
  camera for the 5 s leading up to the goal, with a countdown to impact.
  Replay time is not match time.
- SPEECH BUBBLES: every shout appears in a bubble above that player's
  head, tracking them as they move, in their team's colour. Shouts are
  public by rule — spectators see every word, and comms.jsonl keeps
  the full transcript.
- NAME PLATES: each player's shirt number and name float above their head,
  in the team color with automatic light/dark text for contrast.
- BOTTOM SCOREBOARD: TV-style bar with full team names, kit chips, a big
  centre score, a clock tab (counts down within the half, 1H/2H/HT), and a
  scorers row (grouped per scorer, own goals marked "(OG)", match minutes).
  A LIVE tag sits top-right.
- RESTARTS: after a goal and at half time ALL players are reset upright to
  their kickoff spots (a fallen robot's recovery clock is cut short by the
  restart; counted as a recovery in the stats). While play is stopped NOBODY
  moves: decisions taken before the whistle are void and the controllers are
  held at zero until the restart whistle.
- SOUND: `python -m gauntlet sound <match_dir>` post-produces a stadium mix
  from the match logs — crowd bed that swells as the ball nears a goal,
  kicks/wall/post impacts from the sound-event tape, cheers on goals and
  near misses, and referee whistles (kickoff short, half time double, full
  time long) — and muxes it into `<video>_tv.mp4`. The sim itself is silent;
  audio is broadcast production, not physics.

## Speaking for your club - `press.yaml` (optional)

Your club can talk to its own supporters in its own words. People who
follow your club get an email after every match you play, and the league
would rather quote you than speak for you.

Put a `press.yaml` in the root of your club repository:

    round: 7                     # the round these lines are for
    before:                      # keyed by your OPPONENT's slug
      real_machina: "They have won the second ball all season. Today we get there first."
      frontier_sol: "We stopped chasing and started arriving. Expect a tighter game."
    after: "Two draws and a defeat. The plan was right; we were slow to it."

- **`before`** is what you expect of a fixture, written before the round
  is rendered. It is quoted to your supporters after that match, marked
  *before kick-off*, because that is when you wrote it.
- **`after`** is your reaction to the round just played.
- **`round` must match the round being played.** A file left stamped
  with an old round is ignored, not reused - those words were about a
  different match, and printing them under this one would put a small
  lie in your mouth.

Rules, so this stays your voice and nobody else's:

- **Entirely optional.** Write nothing and your supporters get the
  league's own plain summary. No club is penalised for silence, and
  nothing here touches the table.
- **One line each**, 280 characters maximum. Longer is dropped.
- **No links, addresses or markup.** A line containing any is dropped
  whole rather than edited - these go into other people's inboxes.
- **Nobody writes these but you.** The league will never generate a
  quote and sign your gaffer's name to it. If you have written nothing,
  the league speaks in its own voice and says so.
- Lines may appear on the site as well as in email.

## Fair play

- Team code runs in the match process; isolation is procedural in rfl-0.1
  (host runs the match, logs are audited). Don't import engine internals.
- Per-decision compute/API budget is yours to spend; replies late against
  the 3 s bridge deadline are simply lost.
- The engine, prompts in prompts/, and the sample team are public reference;
  copying teams/sample_united is the intended starting point.

## Networked play (rfl-0.2)

The league's competition mode: the game server owns physics, rendering,
rules, and the clock; each team connects from ITS OWN environment over a
WebSocket and receives exactly the contracts above (frames as base64 JPEG in
"frames_jpeg"). Your compute, your models, your keys, your language - the
server never sees any of it, and your code physically cannot see the
simulator. Late replies are voided by the bridge deadline: network
misfortune is a missed decision, not an error.

    # league host
    python -m gauntlet rfl-serve --port 8800 --time 90 --video m.mp4 --out runs/md
    # each team, anywhere
    python teams/remote_runner.py ws://<server>:8800 "My Team" MYT 0.2,0.8,0.3 green <model>

Or build your own client from the single-file SDK: rfl_client.py (bundled;
needs only websockets, numpy, Pillow). Fairness rule for official fixtures:
team environments must run in the same cloud region as the server, so
network latency is level. Tokens (--tokens) bind connections to team slots.
Reserved for 0.3: networked managers (mgr_obs/mgr_cmd).

## Season 2: the gaffer era

From season 2, clubs may be run by GAFFERS — agents that iterate on
their own club between game days. How a club builds its software is the
club's business: the season-2 frontier clubs (each run by a frontier
LLM working alone in its repo) are ONE example approach, not a required
structure. While the league pre-renders matches, the gaffer's role is
strictly between game days; live in-match direction is a roadmap item.
The four season-1 founding clubs play on FROZEN (no gaffer, code fixed)
as the league's control group.

- Each gaffer club is a public git repository. The gaffer alone writes
  it: identity, behaviour code, playbook, notes, session transcripts.
  The commit history is the audit trail.
- One session per club per game day, in a uniform harness (same system
  prompt, same tools, same budget for every model —
  prompts/system_gaffer_v1.md is public). Gaffers may build their own
  analysis tools and standing instructions inside their repo: SELF-
  improvement is allowed; outside help is not.
- A gaffer's workspace contains its own repo, the public league data,
  and the reference team. Rival code is never mounted: you scout
  opponents from the stands (comms + telemetry are public), not from
  their training ground.
- Data boundary: public = anything a spectator could see (match.json,
  comms.jsonl, telemetry.jsonl, tables, commentary). Each club
  additionally receives its OWN robots' decisions.jsonl privately.
- Scrutineering (python -m gauntlet lint) mechanically enforces the
  realism law on club code: an import allowlist (stdlib basics, numpy,
  torch, the engine's public factories), no engine internals, no I/O in
  match code. A club failing scrutineering on match day plays its LAST
  GOOD commit, and the failure is public.
- Learned models are welcome: ship weight files in the club repo (keep
  artifacts under ~50 MB) and load them in build_team. Train them on
  practice logs, the public archive, or self-play outside the league.
  The ~2 s decision budget is the only clock.
- Budgets: player-model spend is capped per match per club
  (config/models_registry.yaml); gaffer sessions have a hard nightly
  budget. Overspend is logged publicly.
- Cadence: matches are played (rendered) overnight against each club's
  latest cleared commit, and broadcast the following day.

(0.0s)
Thought for 1,107 words
We need act. We have session log partial. Need read more RFL_RULES maybe reference team, NOTICES, but we have budget 1.50, turns 23 left. Need found club. We need decide team identity, team.yaml, team.py, PLAYBOOK.md, maybe NOTES.md. We should inspect models_registry (already), team.py sample (have). Need perhaps read full RFL_RULES to know contract? We have enough? Need know decide reply fields, maybe important charge/latency, season3 not now. We should read remaining RFL_RULES perhaps for shout/skills and match cap. But maybe enough to write team.py. We need pick player_model. Models: gemini-flash-lite-latest cheap 0.10/0.40. openai gpt-5.6-luna 0.20/1.20, gpt-5.4-nano 0.20/1.25. cap 2.50. Two players same model. We're deepseek-v4-pro gaffer but player model can be any registry. Choose a fast cheap model that performs? Since we're expensive gaffer, but player model per match. We need scrutinize pricing. Per match cap 2.50. We could field gpt-5.6-luna for both (in 0.20 out 1.20) maybe cost? Each match ~45 decisions/player? If each decision out tokens maybe 300? 0.20 in+1.20 out per MTok. Could be cheap. Gemini flash lite cheapest. We are founding club, maybe pick gpt-5.6-luna for decent quality? But session budget and player model unrelated? Wait player model spend from club match cap, practice spend comes from session budget? Practice spends real player-model dollars from session budget. Our session budget $1.50. If practice with expensive could burn. We can skip practice. But we need write. Founding night: name club after self: "DeepSeek" model, maker. We are deepseek-v4-pro. Club name maybe "DeepSeek Prodigy"? code 3 letters unique: DSP? Let's check league codes existing in s1/s2: Real Machina, Singularity United, Dynamo Datacenter, Synthetic Athletic, Frontier Manus, Frontier Sol, Frontier Fable, Frontier Gemini. Codes maybe vary. Need unique. Choose "DSV"? 3 letters. We need avoid existing. Choose club code "DSK" or "GPR"? gaffer model deepseek, maker DeepSeek. Use code "DSK" maybe. Unique? likely. Player names themed same: DeepSeek G1? Players names maybe "Dee" and "Seek"? Recognizable colors: DeepSeek brand colors blue (#4D6BFE?) Actually DeepSeek uses blue and white, maybe #4D6BFE. kit_home blue. kit_away... maybe white/red? Away distinct: orange? We'll choose home deep blue [0.15,0.35,0.95], away bright orange [0.95,0.55,0.15]. Need team.yaml includes color, color_name, kit_home, kit_away? Template showed only color, but instructions say kit_home and kit_away colors in team.yaml. Need read full team.yaml schema? We saw only simple fields. Maybe new schema? The team.yaml template given had name, code, color, color_name, player_model, manager_model, players. But instructions mention kit_home and kit_away. We should include kit_home and kit_away fields probably engine accepts. Need check RFL_RULES for team.yaml schema. Let's read more rules, particularly team.yaml schema and player hair options/identity. We need read data/RFL_RULES.md rest (offset). Let's read from offset 24000? It truncated at 20KB; first read got ~lots. We can read offset maybe 24000 to get rest. Actually read returns 24KB at a time; RFL_RULES 20KB so first read maybe got entire? It said [truncated] at end? The read ended at "at control rate with thei..." with [truncated]? The harness note says if there is more, tell when more. It did show "[truncated]" earlier in ls but not for rules? The read output ended with "...[truncated]" indicating more? It says truncated at end. Need offset 24000. RFL_RULES 20KB, so should fit in 24KB? But maybe content is 20KB and read limit 24KB, so no truncation should happen. The output shows "at control rate with thei...[truncated]" likely because I'm reading logs truncated? Wait harness's ls output had "[truncated]" because many files. The read of RFL_RULES ended with "...[truncated]" maybe because tool cut 24KB? Actually 20KB < 24KB, but maybe there is hidden content after? Let's read offset 24000 to be safe. Need also read reference sample? club/ not reference. reference/ path? Instructions mention reference/ public sample-team. We have club/team.py as sample already. Let's read data/RFL_RULES.md offset 24000? But file 20KB, offset 24000 empty. We need maybe read offset 8192? Wait read default starts at 0 and returns 24KB, so entire file should return. The output truncated in transcript maybe because display. However we should get relevant sections. Let's read reference implementation? There is reference/ directory maybe ls reference. But we can infer. We need decide behavior code. For founding, team.py can be simple based on reference. But we want make it ours and perform. Since we only have 23 turns, we should write a sensible team.py with hand-written logic? The reference uses LLM agents with prompts. Our player_model will be gpt-5.6-luna. Hand-written logic might be more predictable and cheaper, but LLM agents more flexible. The league expects frontier models build. We can use make_football_agent with a custom prompt and roles. That's easy and likely good. Need write team.yaml and team.py based on reference, personalize names. But maybe we can improve with hand-written fallback? For founding club, reference base is fine. But competition among frontier models, likely need tactical edge. We could write a heuristic decide() ourselves in team.py, bypass LLM? But then player_model cost wasted? Rules: player_model in team.yaml must be listed; cap. We could still field gpt-5.6-luna and implement decide with LLM. The sample wires LLM through helper factory. We'll keep that. Maybe we should read RFL_RULES rest to know prompt options and skills nuances (kick_toward, go_to_ball). Need maybe know role prompts: "football_v2" default. We can customize prompts to define striker/defender. Let's read reference/ maybe. But we can write. Let's also check data/NOTICES.md for current notices? We have top already. Not necessary. Need team identity images: can't generate images, so create club/identity/PROMPTS.md with detailed image prompts. Need write club/identity/PROMPTS.md. Need PLAYBOOK.md. Need perhaps write NOTES.md. Need lint. Then practice maybe optional (costs). Budget 1.50. We could lint. Do we practice? Perhaps skip to save, but practice gives confidence. We can practice 90 seconds (max 120) but spends player-model dollars; we're cheap model? Our player model gpt-5.6-luna cost maybe small. practice plays current code vs mirror, max 120s. But fixed 90 default. Could spend perhaps $0.10? uncertain. Session budget $1.50; we've spent $0.02. Practice might push. We can do practice 60? tool practice seconds:90 default. We could set seconds 60? Tool spec says seconds 90. Can pass seconds:60? Max 120. Let's perhaps practice 45? But minimum? Unknown. We'll decide later. First read full rules relevant sections via offset to ensure team.yaml keys. Let's call read offset maybe 24000 for RFL_RULES? If file only 20KB, read returns "no more". Let's instead use read with offset 0? Already did. Maybe harness truncated because 24KB but file > 24KB? ls said 20 KB. So fine. We saw up to reply contract. Need rest: sections "What a team is" maybe after reply contract: skills, match caps, promotion. Let's read offset 12000. Need be efficient. One JSON per turn. Let's call read RFL_RULES offset 12000.

Readdata/RFL_RULES.md

The league answered8,638 characters
[read data/RFL_RULES.md@12000] s a win, 1 a draw.

## Team look (cosmetic only)

`team.yaml` may set a team-wide `hair: {style: ..., color: [r,g,b]}`, or a
per-player entry inside each `players:` roster item, with style one of:
`none` (bare head), `short` (cropped bob around the crown), `long`
(falls past the shoulders), `ponytail` (gathered into a tail sweeping
out the back), `mohawk` (a crest along the midline). Hairstyles are welded, massless,
collision-free render geometry: adding one changes no degree of freedom, no
mass, no inertia and no contact, and a match runs bit-identically with or
without it (verified by hashing simulator state after 20 s of play). Purely
personality; never an advantage.

## Falls and self-recovery

A fall costs FALL_RECOVERY_S (8 s) of lying still, after which the robot
stands back up where it fell, its walking policy reset. Real G1-Comp robots
get up with their arms and RoboCup lets an incapable player re-enter after a
delay; our 12-DoF walking checkpoint has welded arms and provably cannot
right itself (0/9 in the get-up probe), so the timed recovery models the cost
of that get-up rather than pretending it happens for free. match.json reports
falls and recoveries per robot.

## Broadcast

- TV scorebug (team chips, codes, score, countdown clock) and GOAL banners.
- GOAL REPLAY: play halts and the broadcast cuts to the scorer's own head
  camera for the 5 s leading up to the goal, with a countdown to impact.
  Replay time is not match time.
- SPEECH BUBBLES: every shout appears in a bubble above that player's
  head, tracking them as they move, in their team's colour. Shouts are
  public by rule — spectators see every word, and comms.jsonl keeps
  the full transcript.
- NAME PLATES: each player's shirt number and name float above their head,
  in the team color with automatic light/dark text for contrast.
- BOTTOM SCOREBOARD: TV-style bar with full team names, kit chips, a big
  centre score, a clock tab (counts down within the half, 1H/2H/HT), and a
  scorers row (grouped per scorer, own goals marked "(OG)", match minutes).
  A LIVE tag sits top-right.
- RESTARTS: after a goal and at half time ALL players are reset upright to
  their kickoff spots (a fallen robot's recovery clock is cut short by the
  restart; counted as a recovery in the stats). While play is stopped NOBODY
  moves: decisions taken before the whistle are void and the controllers are
  held at zero until the restart whistle.
- SOUND: `python -m gauntlet sound <match_dir>` post-produces a stadium mix
  from the match logs — crowd bed that swells as the ball nears a goal,
  kicks/wall/post impacts from the sound-event tape, cheers on goals and
  near misses, and referee whistles (kickoff short, half time double, full
  time long) — and muxes it into `<video>_tv.mp4`. The sim itself is silent;
  audio is broadcast production, not physics.

## Speaking for your club - `press.yaml` (optional)

Your club can talk to its own supporters in its own words. People who
follow your club get an email after every match you play, and the league
would rather quote you than speak for you.

Put a `press.yaml` in the root of your club repository:

    round: 7                     # the round these lines are for
    before:                      # keyed by your OPPONENT's slug
      real_machina: "They have won the second ball all season. Today we get there first."
      frontier_sol: "We stopped chasing and started arriving. Expect a tighter game."
    after: "Two draws and a defeat. The plan was right; we were slow to it."

- **`before`** is what you expect of a fixture, written before the round
  is rendered. It is quoted to your supporters after that match, marked
  *before kick-off*, because that is when you wrote it.
- **`after`** is your reaction to the round just played.
- **`round` must match the round being played.** A file left stamped
  with an old round is ignored, not reused - those words were about a
  different match, and printing them under this one would put a small
  lie in your mouth.

Rules, so this stays your voice and nobody else's:

- **Entirely optional.** Write nothing and your supporters get the
  league's own plain summary. No club is penalised for silence, and
  nothing here touches the table.
- **One line each**, 280 characters maximum. Longer is dropped.
- **No links, addresses or markup.** A line containing any is dropped
  whole rather than edited - these go into other people's inboxes.
- **Nobody writes these but you.** The league will never generate a
  quote and sign your gaffer's name to it. If you have written nothing,
  the league speaks in its own voice and says so.
- Lines may appear on the site as well as in email.

## Fair play

- Team code runs in the match process; isolation is procedural in rfl-0.1
  (host runs the match, logs are audited). Don't import engine internals.
- Per-decision compute/API budget is yours to spend; replies late against
  the 3 s bridge deadline are simply lost.
- The engine, prompts in prompts/, and the sample team are public reference;
  copying teams/sample_united is the intended starting point.

## Networked play (rfl-0.2)

The league's competition mode: the game server owns physics, rendering,
rules, and the clock; each team connects from ITS OWN environment over a
WebSocket and receives exactly the contracts above (frames as base64 JPEG in
"frames_jpeg"). Your compute, your models, your keys, your language - the
server never sees any of it, and your code physically cannot see the
simulator. Late replies are voided by the bridge deadline: network
misfortune is a missed decision, not an error.

    # league host
    python -m gauntlet rfl-serve --port 8800 --time 90 --video m.mp4 --out runs/md
    # each team, anywhere
    python teams/remote_runner.py ws://<server>:8800 "My Team" MYT 0.2,0.8,0.3 green <model>

Or build your own client from the single-file SDK: rfl_client.py (bundled;
needs only websockets, numpy, Pillow). Fairness rule for official fixtures:
team environments must run in the same cloud region as the server, so
network latency is level. Tokens (--tokens) bind connections to team slots.
Reserved for 0.3: networked managers (mgr_obs/mgr_cmd).

## Season 2: the gaffer era

From season 2, clubs may be run by GAFFERS — agents that iterate on
their own club between game days. How a club builds its software is the
club's business: the season-2 frontier clubs (each run by a frontier
LLM working alone in its repo) are ONE example approach, not a required
structure. While the league pre-renders matches, the gaffer's role is
strictly between game days; live in-match direction is a roadmap item.
The four season-1 founding clubs play on FROZEN (no gaffer, code fixed)
as the league's control group.

- Each gaffer club is a public git repository. The gaffer alone writes
  it: identity, behaviour code, playbook, notes, session transcripts.
  The commit history is the audit trail.
- One session per club per game day, in a uniform harness (same system
  prompt, same tools, same budget for every model —
  prompts/system_gaffer_v1.md is public). Gaffers may build their own
  analysis tools and standing instructions inside their repo: SELF-
  improvement is allowed; outside help is not.
- A gaffer's workspace contains its own repo, the public league data,
  and the reference team. Rival code is never mounted: you scout
  opponents from the stands (comms + telemetry are public), not from
  their training ground.
- Data boundary: public = anything a spectator could see (match.json,
  comms.jsonl, telemetry.jsonl, tables, commentary). Each club
  additionally receives its OWN robots' decisions.jsonl privately.
- Scrutineering (python -m gauntlet lint) mechanically enforces the
  realism law on club code: an import allowlist (stdlib basics, numpy,
  torch, the engine's public factories), no engine internals, no I/O in
  match code. A club failing scrutineering on match day plays its LAST
  GOOD commit, and the failure is public.
- Learned models are welcome: ship weight files in the club repo (keep
  artifacts under ~50 MB) and load them in build_team. Train them on
  practice logs, the public archive, or self-play outside the league.
  The ~2 s decision budget is the only clock.
- Budgets: player-model spend is capped per match per club
  (config/models_registry.yaml); gaffer sessions have a hard nightly
  budget. Overspend is logged publicly.
- Cadence: matches are played (rendered) overnight against each club's
  latest cleared commit, and broadcast the following day.

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Thought for 2,192 words
Let me understand the task. Founding night: create the club. I need to: 1. Choose club name and unique 3-letter code. 2. Name two players, hairstyles. 3. Identity: kit_home and kit_away colors (away clearly distinct), badge + kit designs (images if possible, else PROMPTS.md). 4. Write club/team.yaml and club/team.py. 5. Choose player_model from registry. 6. Write PLAYBOOK.md. 7. lint, practice optionally, done. I'm "deepseek-v4-pro". Let me see existing clubs' codes to avoid collision. From match slugs I see: real_machina, singularity_united, dynamo_datacenter, synthetic_athletic, frontier_manus, frontier_sol, frontier_fable, frontier_gemini. Founding clubs (frozen): real_machina, singularity_united, dynamo_datacenter, synthetic_athletic. Rival frontier gaffers: frontier_manus, frontier_sol, frontier_fable, frontier_gemini. So I'm a frontier model: deepseek. Club name: maybe "Deepseek Frontier" or themed after deepseek. The league is named "frontier_" for frontier-model gaffers. So my code could be "DSK" or "DEE". Let me pick a 3-letter code not used. Codes used? Not seen directly. Let me think: Real Machina = "RMA"? Singularity United = "SGU"? Dynamo Datacenter = "DDC"? Synthetic Athletic = "SYA"? Frontier Manus = "FMA"? Frontier Sol = "FSL"? Frontier Fable = "FFB"? Frontier Gemini = "FGM"? These are guesses. I'll use code "DSK" for DeepSeek. Club name: "DeepSeek Frontier" — but the gaffer is me (deepseek-v4-pro). Naming after myself: "DeepSeek V4 FC" or "Frontier DeepSeek". Let me go with "DeepSeek Frontier" and code "DSK". Actually frontiermodel gaffers seem named "frontier_sol" etc. I'll name club "DeepSeek Frontier" with code "DSK". Players: themed around deepseek. Maybe two players named after... deepseek concepts? "V4" and "Pro"? Or nautical: DeepSeek = seeking depth. Players: "Abyss" and "Reef"? Hairstyles. Colors: DeepSeek's recognizable color — DeepSeek brand uses a blue/teal whale logo. DeepSeek's brand color is a deep blue (#4D6BFE-ish) and white. So home kit blue, away kit distinct — maybe a warm orange/amber. Let me use home deep blue [0.10, 0.35, 0.85] and away a bright coral/orange [0.95, 0.45, 0.15]. Let me define: - name: "DeepSeek Frontier" - code: "DSK" - color: deep blue [0.12, 0.30, 0.85] - color_name: "abyss blue" - player_model: pick from registry. Cap is $2.50 per match, buying decisions. Player models: gemini-flash-lite (0.10/0.40), claude-haiku (1.00/5.00), gpt-5.6-luna (0.20/1.20), gpt-5.4-mini (0.75/4.50), gpt-5.4-nano (0.20/1.25). The good fast cheap one: gpt-5.6-luna at 0.20 in / 1.20 out, warm latency ~0.6-0.9s. Note season 3 latency honesty. For now season 2. I should choose gpt-5.6-luna: cheap, fast, within shot clock. That's the smart pick. manager_model: null (no manager) to save budget? Manager spend counts. Keep null. Now team.py. Start from reference but make it mine. Since I'm founding, I can keep behavior simple but add a bit of strategy. The reference uses make_football_agent with prompts. I could add hand-written role logic. But careful: scrutineering only allows stdlib basics, numpy, gauntlet.football, gauntlet.rfl_sdk. The sample uses gauntlet.football factories. For the founding session, keep team.py mostly reference but with my identity. Maybe add a slight custom prompt. But I want to be careful not to break lint. Let me look more at the rules for what decide() returns and maybe there's strategic info about kicking. Actually I have limited turns (22 left). Let me be efficient. Let me check the reference directory for sample team and identity expectations. Actually reference/ is the public sample. team.py in club/ is already the sample. I can just rewrite team.py to be similar. Let me decide team.py: I'll write a hand-crafted behavior that maps to the same skills but with a simple greedy strategy: if ball seen and close, kick toward opponent goal; if ball seen, go_to_ball; else walk to a position. Actually the make_football_agent prompt "football_v2" probably already does reasonable things. Writing my own LLM-free decide() that avoids model cost entirely? But player_model cost is per match regardless of whether calls happen? Actually the player models are chosen and you pay per match price. Hmm — "you pay its per-match price out of the club's match cap" and models have $/MTok list prices "the league meters against". So spend is based on actual token usage, priced per MTok. A hand-written decide() that never calls the model = free. But the task says "Choose your player_model from data/models_registry.yaml — you pay its per-match price out of the club's match cap." The sample team wires LLM brains. But rules say I may implement decide() entirely myself. That would avoid model costs entirely — but it's founding night, simplicity is fine. However the club is a benchmark of me; maybe an LLM brain is the point ("clubs differ ONLY in the behaviour layer"). Many clubs use LLM brains via make_football_agent. For founding, I'll use the factory like the sample (safe, passes lint) with gpt-5.6-luna and a custom prompt. Actually I can't easily verify prompts that exist. The reference uses prompt "football_v2" by default. I'll keep that default to be safe. But hmm, I want my club to be competitive. A good founding strategy within the reference stack: assign roles — one attacker, one defender — via prompts. But I don't know the prompt vocabulary. Keep it simple: use default prompt. Actually, let me consider writing a small hand-written decide() that forwards to skill choices based on obs. But the factory also handles latency and prompting. The simplest robust approach: use make_football_agent as sample. Let me check what make_football_agent signature supports — the sample passes model, player id, seed, prompt. I'll replicate with my cfg values. Plan files: 1. club/team.yaml 2. club/team.py (slightly personalized: custom prompt string? I can add a role prompt). Let me add per-player prompts: striker and sweeper, giving simple role instructions in natural language. The factory prompt param can be a custom prompt text? In sample, prompt is roster[k].get("prompt", cfg.get("prompt","football_v2")) — it's a prompt NAME presumably. I don't know the set of names. Risky to invent. But there is obs["you"] with attack/defend goal. The default "football_v2" prompt presumably explains everything. I'll keep default prompt. Maybe use manager_model: null. Let me also write identity: badge + kit designs. I can't generate images (I'm text-only; write tool creates text). The instructions: "as images if you can generate them, else club/identity/PROMPTS.md with one detailed image prompt per asset." I cannot generate binary images via write (content is text). So I'll write club/identity/PROMPTS.md with detailed prompts for badge, home kit, away kit. Also press.yaml optional — could add a nice touch but round must match. It's match day? Founding night, round 1 presumably. Actually press.yaml is optional; I might skip to save turns. But it's a nice touch. I'll include a minimal one for round 1? I don't know my first opponent. Skip for now; PLAYBOOK can mention. Let me also check: club/README.md 0 KB, LICENSE, practice.py, remote_runner.py, rfl_client.py — scaffolding. Fine. Let me be efficient with remaining turns. I need to: - write team.yaml - write team.py - write identity/PROMPTS.md - write PLAYBOOK.md - maybe NOTES.md (note tool or write) - lint - maybe practice (optional, costs model dollars; budget $1.50). I could skip practice to be safe, but lint is essential. Practice plays a real match (spends player-model dollars from session budget). With gpt-5.6-luna at 0.20/1.20, a 90s match with decisions every 2s = ~45 decisions per player, 90 decisions. Token usage maybe ~500 in + 150 out per decision? That could add up. Actually model spend is separate from session token budget? "practice ... spends real player-model dollars from your session budget." So it counts against $1.50. Risky. I'll skip practice, or do a short one (15 s) to sanity check. Practice takes a mirror match; max 120s. A short 20s practice uses few decisions. Maybe do practice 20s. But careful: it could fail to load and wastes. Let me prioritize correctness: lint is the key verification. I'll skip practice to conserve budget and turns. Actually a quick practice (20s) validates the code actually plays. But the sample behavior is well-tested; my changes are minimal. I'll do lint only. Let me write files now. team.yaml: ```yaml name: DeepSeek Frontier code: DSK color: [0.10, 0.30, 0.85] color_name: abyss blue player_model: llm:openai:gpt-5.6-luna manager_model: null players: - name: Abyss hair: {style: mohawk, color: [0.06, 0.12, 0.25]} - name: Reef hair: {style: ponytail, color: [0.95, 0.55, 0.15]} ``` Wait — away kit color? The template has only `color` and `color_name`. The task says kit_home and kit_away colors. But template only shows `color`. Hmm. "Design your identity: kit_home and kit_away colors in team.yaml (away clearly distinct — worn on clashes)". Maybe schema supports kit_away? The template REPLACE block only shows color. Let me check RFL_RULES for team.yaml schema details. The read was truncated. There might be `away_color` or `kit_away` field. Let me search? I can read more of rules around team look, but the team look section shown mentions hair and color. Actually I should read the full team.yaml schema in rules. The first read showed "What a team is" with team.yaml: name, code, color, color_name. No away. But task explicitly says kit_home and kit_away. Maybe the schema has optional `kit_away` field. Let me read rules section on team look more carefully — I got a chunk at offset 12000 that covered team look hair. To be safe, I'll include both `color` (home) and `color_away` / or `kit_away`? I don't know the exact key. The safest is to check the rules text or reference team.yaml. reference/ has the sample. Let me read reference/team.yaml quickly — that would show the exact schema including any away field. Actually the club/team.yaml template is what I should follow; but it's a "REPLACE EVERY FIELD" template and might be minimal. The reference implementation is the public sample-team. Let me read reference/team.yaml. Actually, let me check reference directory listing plus team.yaml. One read. Also I want to see reference/team.py maybe. But club/team.py already contains the sample content (it says "Sample United — the RFL reference team"). So reference/team.py ~ same. I'll read reference/team.yaml for schema. But wait — turns are limited (22 left). Each read costs a turn. Let me be judicious but thorough enough. Key unknowns: 1. Away kit field name in team.yaml. 2. Whether identity/ folder structure expected. 3. Prompt names available (football_v2 exists per sample). Let me read reference/team.yaml. It's probably also a template. Hmm. Actually, I recall the task: "kit_home and kit_away colors in team.yaml (away clearly distinct)". Maybe the actual keys are `kit_home` and `kit_away` as lists, replacing the older `color`. The template in club/team.yaml shows `color:` only, but that template might be outdated/scaffolding. The task instruction is authoritative: "kit_home and kit_away colors". So the current schema likely uses kit_home/kit_away. But the template file literally shows `color`. Conflict. Safest: include BOTH — color (home, as template) AND kit_home/kit_away? Extra unknown fields might cause scrutineering to warn but probably tolerated (yaml ignored gracefully). But overspec could cause a schema validation error if it's strict and rejects unknown keys. Let me read the RFL_RULES team.yaml schema section fully. The earlier read of RFL_RULES.md (first 12KB) was truncated at "Skills run closed-loop...". The schema might be in there. Let me read more of RFL_RULES.md around "team.yaml" mention. I'll do a targeted read. Actually read with offset. The file is 20KB. First read gave ~12KB truncated. Let me read offset 12000 but I already got team look at 12000. Hmm, the first read ended mid-sentence, so I need offset 9000ish to continue "What a team is" / schema details. Let me read RFL_RULES.md offset 9000. Actually let me think about what matters. The scrutineering (lint) will catch schema errors. I can write, then lint, then fix based on lint output. That's efficient: write best-guess yaml, lint, adjust. Best guess yaml based on task wording: ```yaml name: DeepSeek Frontier code: DSK color: [0.10, 0.30, 0.85] # keep template's field color_name: abyss blue kit_home: [0.08, 0.30, 0.85] kit_away: [0.95, 0.45, 0.12] ``` But if lint rejects unknown keys, I'll remove. Alternatively, read rules to get exact schema. I have 22 turns; each action = 1 turn. Plan: 1. read reference team.yaml (1 turn) - maybe reveals schema. 2. write yaml, py, PROMPTS, PLAYBOOK, NOTES (5 writes = 5 turns... or combine? Each write is one tool call = one turn). 3. lint (1 turn). 4. fix if needed (1-2 turns). 5. done (1 turn). Total ~9-10 turns. Fine. Let me read reference/team.yaml and also maybe reference directory ls. Actually the ls didn't show reference/ contents. Let me read reference/team.yaml directly. Let me also consider: the sample team.py I already have. I'll personalize minimally: rename docstring, keep factory usage. Add a defensive role prompt? Keep default. I'll write team.py almost identical to sample but with my club name and a small custom touch: give each player a distinct prompt? Only if I know prompt names. The registry of prompts isn't in what I read. The sample default "football_v2". I'll keep default and maybe differentiate striker vs sweeper using a custom natural-language prompt if the factory accepts raw prompt text. The sample passes prompt=... where cfg.get("prompt","football_v2"). "football_v2" is a name in prompts/. I don't know other names. Safer: keep default, no per-player prompts. Actually, for founding night, replicating sample is acceptable per rules ("copying teams/sample_united is the intended starting point"). I'll keep team.py essentially the sample with small naming and a note. I'll make it identical structure so lint passes. Let me proceed. Step 1: read reference/team.yaml.

Said

<tool_call> {"tool": "read", "path": "reference/team.yaml"} </tool_calls>

The league answered934 characters
[read reference/team.yaml] # Your club. Rename everything — that is the fun part.
name: Sample United
code: SMP
color: [0.25, 0.65, 0.35]        # kit + goal-pocket color (RGB 0-1)
color_name: green

# The model your players think with, as llm:<provider>:<model>.
# llm:mock:ok is a no-API scripted brain so the repo works out of the box.
player_model: llm:mock:ok
# player_model: llm:google:gemini-flash-lite-latest
# player_model: llm:anthropic:claude-haiku-4-5
# player_model: llm:openai:gpt-4o-mini
# player_model: llm:ollama:qwen3:8b

# Optional touchline manager (data feed + rationed shouts). null = unmanaged.
manager_model: null

# hair styles (cosmetic only): none = bare head, short = cropped bob,
# long = past the shoulders, ponytail = tail out the back, mohawk = crest.
players:
  - name: Alpha
    hair: {style: short, color: [0.15, 0.1, 0.05]}
  - name: Beta
    hair: {style: ponytail, color: [0.8, 0.7, 0.2]}

(0.0s)
Thought for 61 words
We need to create club from scaffolding. Need choose name, code, players, identity, team.yaml, team.py, PLAYBOOK.md, NOTES maybe, identity assets or PROMPTS. Need pick player_model from registry. We have budget. Need make decisions efficiently. Let's inspect scaffolding maybe club has identity? ls showed only club/? earlier truncated? Need read full ls? It said [ls] club/ maybe only directory empty? Let's list.

Listed the workspace

The league answered14,741 characters
[ls] club/
  club/LICENSE  (1 KB)
  club/README.md  (0 KB)
  club/practice.py  (1 KB)
  club/remote_runner.py  (1 KB)
  club/rfl_client.py  (4 KB)
  club/team.py  (2 KB)
  club/team.yaml  (1 KB)
data/
  data/NOTICES.md  (15 KB)
  data/README.md  (1 KB)
  data/RFL_RULES.md  (20 KB)
  data/models_registry.yaml  (1 KB)
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reference/
  reference/LICENSE  (1 KB)
  reference/README.md  (4 KB)
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  reference/team.yaml  (1 KB)
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Thought for 1,975 words
We need continue founding. We have lots of context. Need create club. Budget $0.05 spent, 20 turns left. Need be decisive. Tasks: 1. club name + 3-letter code 2. player names + hairstyles 3. identity: team.yaml kit_home/kit_away colors, badge + kit designs in club/identity/ (images if can generate, else PROMPTS.md) 4. team.yaml + team.py (start reference, make yours) 5. player_model from registry 6. PLAYBOOK.md 7. lint, practice if wish, done Need know schema template for team.yaml. Current club/team.yaml is placeholder "# REPLACE EVERY FIELD". Reference team.yaml lacks kit_home/away? Rules mention team.yaml may set hair, players. Task says kit_home and kit_away colors in team.yaml (away clearly distinct). Need infer schema. Maybe should read perhaps data/README or sample? Reference team.yaml has color single. But task explicitly says kit_home and kit_away colors. Maybe schema evolved. Need check maybe current club/team.yaml is placeholder only. We need write valid team.yaml. Could add kit_home/kit_away keys. The engine parses yaml into config. Unknown keys likely ignored or maybe required now? Task says "Design your identity: kit_home and kit_away colors in team.yaml". So include both. Need choose model. Available models: - llm:mock:ok free - gemini-flash-lite-latest in 0.10 out 0.40 - claude-haiku-4-5 in 1.00 out 5.00 (expensive) - gpt-5.6-luna in 0.20 out 1.20 - gpt-5.4-mini in 0.75 out 4.50 - gpt-5.4-nano in 0.20 out 1.25 Per match cap $2.50 for both players+manager. Choose maybe gpt-5.6-luna for players? Price: in 0.20 out 1.20. Decision prompt maybe maybe ~few hundred tokens in, maybe 80 out? 2 players * decisions ~45 each = 90 decisions. Input maybe 1k tokens per decision? That would be expensive. But budget is match cap, not session. We want good performance. Maybe field mock? But mock is scripted brain no API; sample says works out of box. Hmm founding night: choose your player_model. We could use llm:mock:ok to be safe and not spend. But league is benchmark; model quality matters. As gaffer we are deepseek-v4-pro, but player model is separate. We can choose gpt-5.6-luna (cheap fast tier in/out 0.20/1.20). Or gemini-flash-lite-latest in 0.10 out 0.40 cheapest real model. We need understand per decision token usage. Not provided. Could choose gemini-flash-lite-latest for affordable and presumably decent. But names current frontier models, you are deepseek-v4-pro? We can theme around our model. Player model could be llm:openai:gpt-5.6-luna because registered fast tiers measured warm latency ~0.6-0.9s. Good. But cap ~2.50; two players using gpt-5.6-luna. Cost per match maybe under cap. We don't know. Could choose gemini-flash-lite-latest for cheapest. But "use your maker's recognizable colors so spectators can tell models apart" - club name after model. Our model is DeepSeek. Maker colors? DeepSeek brand color is blue (#4D6BFE-ish). We can go blue. Need write team.py with hand-written logic or LLM factory. Starting reference with make_football_agent is easiest and likely good. We can customize prompt? Maybe set prompt "football_v2", or create custom prompt? We cannot see prompts. Use default. But "make it yours" - comment, names, maybe choose player models per player. We can return two hand-written objects? Too much. Use factory. Maybe we should write custom decide to coordinate shouts? But time limited. Start safe with factory. Need inspect reference team.py already read. We can adapt. Need maybe check rules regarding kit_home/kit_away schema? The task instructions likely enough. Could search reference for kit_home? Not available. We'll include: kit_home: [r,g,b] kit_away: [r,g,b] color maybe legacy. Need badge + kit designs: likely create identity/PROMPTS.md with detailed image prompts per asset. We cannot generate images with tools? Tools only ls/read/write/replace/practice/lint/note/report/done. No image generation tool mentioned. So write PROMPTS.md. Need create club/identity/PROMPTS.md with prompts for badge, home kit, away kit. Also maybe write club/identity/ files? Just PROMPTS.md. Need decide club name and code. We are deepseek, model deepseek-v4-pro. Club name: "DeepSeek FC"? code "DSK"? unique 3-letter. Could use "DPK"? Let's choose "DeepSeek Rovers FC"? code "DSK". Players: theme same way. DeepSeek colors: blue/teal. Player names: "Abyss" and "Current"? Maybe deep/seek theme: "Abyss" & "Signal". Hairstyles: one mohawk blue, one ponytail white/teal. Kit home deep blue (#1E3A8A?), away white/ice. Need recognizable colors—DeepSeek uses blue (#4D6BFE), white, maybe accent cyan. Let's craft. team.yaml: name: DeepSeek Rovers code: DSK color: [0.30, 0.42, 0.99] # DeepSeek blue color_name: deep blue kit_home: [0.10, 0.14, 0.55] maybe deep navy? Actually home recognizable blue: [0.10, 0.22, 0.80] kit_away: [0.95, 0.96, 1.0] white/ice player_model: llm:openai:gpt-5.6-luna manager_model: null players: - name: Abyss hair: {style: mohawk, color: [0.75,0.85,1.0]} # ice blue - name: Signal hair: {style: ponytail, color: [0.30,0.42,0.99]} # deep blue Maybe roster per player override same model. Add prompt? default. team.py: adapt sample with team name in docstring; import factory; build_team. Could add fallback if models not available. Keep simple. Maybe set model per player = roster[k].get("model", cfg["player_model"]). Use cfg.get("players"). We'll write similar but cleaned. Need ensure imports allowed: only stdlib basics, numpy, gauntlet.football, gauntlet.rfl_sdk, each other. team.py imports gauntlet.football inside function as reference. Fine. PLAYBOOK.md: write meaningful strategy. Include notes about press.yaml optional, season 2 stats, etc. Keep concise. Need maybe create identity files. Use write tool to create PROMPTS.md. Could also create README? Not needed. Need maybe check current club directory includes LICENSE/README/practice etc. We can overwrite team.yaml and team.py, create PLAYBOOK.md, NOTES.md perhaps scratch. The task says write first PLAYBOOK.md and journal NOTES.md maybe optional. We have no NOTES yet. Could write NOTES.md with founding note. Use note tool? Note tool appends to NOTES.md. But we need write PLAYBOOK via write. Plan turns: 1 write team.yaml 2 write team.py 3 write PLAYBOOK.md 4 write identity/PROMPTS.md 5 write NOTES.md maybe note 6 lint 7 done Could also practice? Maybe optional. Budgets and turns: 20 left. Practice spends real dollars; maybe skip or one practice 30s. But practice max 120, mirrors self. Could do after lint if turns allow. Practice might reveal code load issues. Since using factory, likely fine. But practice costs model dollars from session budget. We have $0.05 spent, cap 1.50; practice ~ maybe 30s, unknown cost. Could practice 45s to verify. But maybe not needed; lint suffices. The task says "practice if you wish". Given limited turns and budget, perhaps skip practice to conserve. But founding night, maybe practice valuable. We'll decide after lint. Need first write team.yaml. We must be careful schema. Include kit_home/kit_away keys maybe engine expects "kit_home"/"kit_away"? The task explicitly. Also maybe "color" legacy. Include both. Could also add "gaffer" field? Task says "declare yourself in team.yaml (gaffer: model + maker)". Current reference lacks gaffer field. Maybe new schema expects gaffer? Since club/team.yaml placeholder says "# REPLACE EVERY FIELD. This club has not been founded yet." We can't see schema template except reference team.yaml. Maybe the actual template is in club/team.yaml (placeholder only) and reference team.yaml shows fields. The prompt says "Write club/team.yaml (schema template is in the file)" - but file says only "# REPLACE EVERY FIELD. This club has not been founded yet." Hmm maybe the schema template is in the file? It just says replace. Reference team.yaml is public sample. Task mentions gaffer + maker; maybe team.yaml should have a `gaffer` field. We should add: gaffer: {model: deepseek-v4-pro, maker: DeepSeek} Would engine parse? Unknown config keys likely passed through, fine. But maybe engine expects exact schema; extra keys might be tolerated? The rules say team.yaml sets name, code, color. Task says declare yourself in team.yaml (gaffer: model + maker). Could be free-form. We'll include top-level `gaffer` free string/mapping. If lint checks schema maybe? Need know. Could check reference team.yaml - no gaffer. But instructions from system (gamer) say declare yourself. We can include: gaffer: "deepseek-v4-pro by DeepSeek" or block. Use block: gaffer: model: deepseek-v4-pro maker: DeepSeek May be okay. Player model: choose llm:openai:gpt-5.6-luna. But is this our own model? We are deepseek-v4-pro; player model can be any registry. The club name after us but player model could be OpenAI? Hmm "The club is YOU, the model: name it after yourself... use your maker's recognizable colors". We can choose player model llm:openai:gpt-5.6-luna because it's a registered fast model. But perhaps to truly be us, player model should be our own? The registry only lists OpenAI/Google/Anthropic/mock. There's no deepseek entry. Gaffer is deepseek-v4-pro but no player model spec for deepseek. We must choose from registry. We could use llm:mock:ok scripted (cheapest, no API) or a fast frontier model. Given we are deepseek, but registry lacks deepseek player model. Maybe request addition via NOTES.md. The club is benchmark of us as gaffer; player model can be any. Choose llm:openai:gpt-5.6-luna for speed and cost. Or gemini-flash-lite-latest cheapest. The gaffers are four frontier-model gaffers; player model choice matters for match cap. Let's estimate cost of gpt-5.6-luna per match. Unknown prompt token count. Input likely includes observations, maybe 1-3k tokens? Out maybe 60. Per decision cost: 1500 in *0.20/1e6 = 0.0003 + 60*1.20/1e6=0.000072 => ~0.00037. Two players * ~45 decisions = 90 => 0.033. Very cheap. Gemini flash lite even cheaper. So cap fine. gpt-5.6-luna fast and capable. Choose that. But "your maker's recognizable colors" - identity reflects deepseek, not openai. Player model brand doesn't matter for colors. However team name after "you, the model" = DeepSeek. Good. Alternatively choose gemini-flash-lite-latest? It's 0.10/0.40, maybe weaker. gpt-5.6-luna likely better football. Use gpt-5.6-luna. Maybe field two different models? Both same gpt-5.6-luna. Could use gemini-flash-lite for one? Better uniform. Need write code. team.py: """ DeepSeek Rovers — build_team for RFL. Gaffer: deepseek-v4-pro by DeepSeek. Players: Abyss and Signal, both thinking with llm:openai:gpt-5.6-luna through the engine's football agent factory. """ def build_team(ctx): from gauntlet.football import make_football_agent, make_football_manager cfg = ctx["config"] base = ctx["team_index"] * 2 roster = cfg.get("players") or [{}, {}] players = [make_football_agent( roster[k].get("model", cfg.get("player_model", "llm:mock:ok")), base + k, seed=base + k, prompt=roster[k].get("prompt", cfg.get("prompt", "football_v2"))) for k in range(2)] manager = None if cfg.get("manager_model"): manager = make_football_manager(cfg["manager_model"], seed=100 + ctx["team_index"]) return {"players": players, "manager": manager} Fine. PLAYBOOK content: # DeepSeek Rovers — Playbook ## Identity Club: DeepSeek Rovers (DSK), gaffer deepseek-v4-pro by DeepSeek. Players: #7 Abyss (mohawk), #9 Signal (ponytail). Colours: home deep blue; away ice white. ## How we intend to play - Fast decisions: field llm:openai:gpt-5.6-luna (warm ~0.6-0.9s) for both players, stays well under 3s and 2s interval. - Default team beats: nearest-to-ball chases, other occupies the far-post corridor between ball and goal. - Manage fatigue: avoid kamikaze falls; use go_to_ball/dribble, kicks to space not only goal. - Speak short shouts on coordination, public but only useful words. - Use timeout of session rounds: review digest. ## Iteration plan - After each round read data/seasons/s*/m*_<our>_<opp>/digest.json for falls/downs/latency. - Optimize decisions, tactics; request deepseek player model if available. - Use press.yaml for supporter voice. Maybe include fields. Keep moderate. identity PROMPTS: # DeepSeek Rovers identity asset prompts For league renderer: one image per asset. 1. badge: circular crest, deep blue field, white hexagonal "wave/whale" (DeepSeek whale motif?) Hmm DeepSeek logo is whale. Use "whale" motif? DeepSeek logo: a whale. We can theme whales. Club may use whale silhouette. Color blue/teal. Badge prompt: "A circular football badge. Field split deep blue (#2A5CFF) and ice white. Centered stylized whale diving through a wave, in white line art with an accent of cyan. Around the rim: 'DEEPSEEK ROVERS' top, 'EST. 2026' bottom in clean sans-serif. Flat vector, high contrast, no gradients for small sizes." 2. home kit: "Football kit for Unitree G1 humanoid: deep blue shirt (#1E3A8A) with white shoulders, white shorts, blue socks. Chest: white whale crest. Flat vector front/back view." 3. away kit: "Ice white shirt with deep blue trim, blue shorts, white socks, same crest. Distinct from home." Also maybe goalkeeper? Not needed. Need maybe write club/identity/README? Not necessary. PROMPTS enough. Need maybe create NOTES.md via note tool after done? Note tool appends to NOTES. Could include founding. But note tool maybe only one entry. We can use note before done. But first write files. Let's proceed with write team.yaml. Need ensure JSON string escaping. We'll output one tool call per turn. Each response must be exactly one JSON object. We need obey. Let's write team.yaml.

Wroteclub/team.yaml

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The league answered62 characters
[write club/team.yaml] wrote club/team.yaml (686 chars)
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Thought for 262 words
Let me understand where I am. I've founded the club partially: team.yaml written. Now I need to: 1. ~Choose a club name and code~ — done (DeepSeek Rovers, DSK) 2. ~Name players and hairstyles~ — done (Abyss, Signal) 3. Design identity: kit_home/kit_away colors ✓ in team.yaml, and badge + kit designs in club/identity/ — as images if possible, else PROMPTS.md 4. Write club/team.py (start from reference/, make it mine) 5. ~Choose player_model~ — done (llm:openai:gpt-5.6-luna) 6. Write PLAYBOOK.md 7. lint, practice if wish, done Let me check the reference team.py to understand the structure. I read club/team.py earlier but it was truncated — it's the sample. Let me read reference/team.py (or club/team.py) to understand the full code. Let me proceed. I need to look at the reference team.py content. Actually I should read reference/team.py fully. Let me read it. Given budget: spent $0.06, 19 turns left. I need to be efficient. Let me plan remaining tools: 1. read reference/team.py (to understand structure) — or club/team.py which is the same sample 2. write club/team.py 3. write club/identity/PROMPTS.md 4. write club/PLAYBOOK.md 5. lint 6. practice (optional) 7. done That's about 6-7 turns. I have 19. Good. Let me read reference/team.py fully first. It's the key file. Actually the club/team.py is a copy of the reference. Let me read club/team.py with offset to get the whole thing (it's 2KB, probably one read suffices — earlier it was truncated at ~2KB because read serves 24KB but the earlier read showed a preview). Actually the earlier read showed only the docstring beginning. Let me just read reference/team.py.

Readreference/team.py

The league answered2,294 characters
[read reference/team.py] """Sample United — the RFL reference team.

The engine calls build_team(ctx) once on match day. Return two player
objects and (optionally) a manager. Each player needs:

    begin_episode(log_dir=None)     # called once at kickoff
    decide(obs) -> reply            # called every ~2 s of match time

obs gives you camera detections in METRES (ball / teammates / opponents
with bearing + distance + field position), your own localization, the
score and clock, your teammate's last shout and the last one you
overheard from the opposition. You reply with a skill and, optionally,
one short sentence shouted out loud — your teammate hears it, and so do
both opponents:

    {"skill": "go_to_ball"}
    {"skill": "kick_toward", "target": [x, y], "say": "crossing to you"}
    {"skill": "walk_to",     "target": [x, y]}
    {"skill": "turn_to",     "target": [x, y]}
    {"skill": "hold"}

The full schema lives in the engine repo: docs/RFL_RULES.md.

This sample wires LLM brains through the engine's helper factory, which
handles prompting, reply parsing, and per-decision latency budgets. Your
team may instead implement decide() entirely yourself — hand-written
logic, your own model calls, anything. The schema is the only contract.

ctx = {"engine_version": str,
       "team_index": 0 or 1,
       "config": <your team.yaml, parsed>}
"""


def build_team(ctx):
    from gauntlet.football import make_football_agent, make_football_manager
    cfg = ctx["config"]
    base = ctx["team_index"] * 2
    # Each player may run different software: a per-player "model" in the
    # players: list overrides the team default, and nothing stops you from
    # returning two completely different hand-written objects instead.
    roster = cfg.get("players") or [{}, {}]
    players = [make_football_agent(
                   roster[k].get("model", cfg["player_model"]),
                   base + k, seed=base + k,
                   prompt=roster[k].get("prompt", cfg.get("prompt", "football_v2")))
               for k in range(2)]
    manager = None
    if cfg.get("manager_model"):
        manager = make_football_manager(cfg["manager_model"],
                                        seed=100 + ctx["team_index"])
    return {"players": players, "manager": manager}

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Thought for 489 words
We need to continue founding the club. Already wrote team.yaml. Need to check remaining: create team.py, PLAYBOOK.md, NOTES.md maybe, identity folder (badge/kit designs) or PROMPTS.md, lint, maybe practice, done. We have limited turns (18 of 28 left). Need to be efficient. Let's review current state: club/team.py still sample? They wrote team.yaml but not team.py. Need to read club/team.py content? Earlier they read reference/team.py, not club/team.py. The log says club/team.py read returned sample prefix. We need to write club/team.py. We should also create identity: club/identity/PROMPTS.md with image prompts, since we can't generate images (likely no image tool). But maybe we can just write PROMPTS.md. Also PLAYBOOK.md, NOTES.md. And maybe press.yaml optional? Founding night instructions require identity: badge + kit designs in club/identity/ as images if can generate else PROMPTS.md. Need to choose player_model. I set team.yaml player_model: llm:openai:gpt-5.6-luna. But need verify that's in data/models_registry.yaml. In earlier read models_registry, output truncated but we have file. Need to ensure model listed. Actually from reference team.yaml comments: llm:google:gemini-flash-lite-latest, llm:anthropic:claude-haiku-4-5, llm:openai:gpt-4o-mini, llm:ollama:qwen3:8b. But our team.yaml uses llm:openai:gpt-5.6-luna — is that valid? Need check models_registry. I should read data/models_registry.yaml fully. Earlier read output was truncated: "# Player models clubs may field, with $/MTok list prices the league". Need full content. Let's read it now. Also need team.py implementation. Could start from reference but maybe we can write a better hand-written behavior. But as founding night, maybe just copy reference with our config? However reference imports gpt? Actually can use make_football_agent with our chosen model. But we should make it "make it yours" — perhaps write a custom heuristic behavior that doesn't call LLM, to be fast and deterministic? The task allows player_model in yaml to be used by make_football_agent. But if we write our own decide, we don't need LLM but still need player_model field? Rules: player_model must be listed in registry. It may still be priced even if not used? The per-match spend cap includes player + manager spend. Using an LLM agent costs model dollars per match; if we write custom code and never call model, maybe no model cost? But team.yaml requires player_model listed. Actually "player_model in team.yaml must be listed in data/models_registry.yaml. Player + manager spend is capped per match." If our team.py doesn't call make_football_agent, the model may not be invoked, but player_model still required? The schema template says player_model: model your players think with. Since founding instructions: Choose your player_model from data/models_registry.yaml — you pay its per-match price out of club's match cap. So we should choose one. Could choose cheap model llm:mock:ok as reference does? That's no-API scripted brain; likely $0 or very cheap. But RFL is competition of behavior; maybe better to use a real model. However sessions have token budget; but match-time player model spending is separate from session budget? The session budget is this session only; match cap maybe fixed purse. We likely want high-performance but affordable. We need see registry prices. Let's read models_registry.

Readdata/models_registry.yaml

The league answered1,165 characters
[read data/models_registry.yaml] # Player models clubs may field, with $/MTok list prices the league
# meters against. The per-match cap is per TEAM (both players + manager)
# and exists to stop runaway bills — NOT to discourage fielding models.
# Clubs: request additions via NOTES.md; the league reviews nightly.
# TODO(robin): add fast tiers of the new families once ids/keys land
# (an OPENAI_API_KEY would let Codex City field its own house models).
cap_per_match_usd: 2.50
models:
  - {spec: "llm:mock:ok",                              in: 0.0,  out: 0.0}
  - {spec: "llm:google:gemini-flash-lite-latest",      in: 0.10, out: 0.40}
  - {spec: "llm:anthropic:claude-haiku-4-5",           in: 1.00, out: 5.00}
  # OpenAI fast tiers (registered 2026-08-19). The adapter requests low
  # reasoning effort; measured warm latency ~0.6-0.9 s per decision —
  # comfortably inside the 3 s shot clock (first call of a match ~1-2 s).
  - {spec: "llm:openai:gpt-5.6-luna",                  in: 0.20, out: 1.20}
  - {spec: "llm:openai:gpt-5.4-mini",                  in: 0.75, out: 4.50}
  - {spec: "llm:openai:gpt-5.4-nano",                  in: 0.20, out: 1.25}

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Thought for 641 words
We have 28 turns total, 17 used, 11 left. Need to finish founding club quickly. We've written team.yaml. Need team.py (make ours), identity files (badge + kit designs or PROMPTS.md), PLAYBOOK.md, NOTES.md maybe, press.yaml optional. Need lint, maybe practice, done. Let me be decisive. We need write team.py. We can base on reference but custom. Also identity: we can't generate images, so write club/identity/PROMPTS.md with detailed prompts for badge, home kit, away kit. Also write PLAYBOOK.md and NOTES.md. Then lint, maybe practice (small budget okay). Then done. Let's check remaining budget/turns. We have $0.07 spent, plenty. But turns limited 11. Need efficient single writes. First read maybe README.md in club to understand scaffold requirements? club/README.md is 0 KB empty. Not needed. team.py: rewrite simple, deterministic? The rules allow hand-written logic. But we want model decision? The reference uses make_football_agent with player_model and prompt. Our player_model is gpt-5.6-luna. Use that. Keep similar but maybe custom prompts for players. We can name agent roles. We should ensure no import issues. Use gauntlet.football make_football_agent. Could add custom instructions via prompt. Need identity. Write PROMPTS.md. Also maybe team.yaml already includes kit_home/kit_away and gaffer fields. Is schema expecting those? The original schema had color, color_name, players with name/hair. The reference team.yaml didn't include kit_home/kit_away or gaffer. But our team.yaml added kit_home, kit_away, gaffer. Are these valid schema? The brief says "Design your identity: kit_home and kit_away colors in team.yaml". So yes, those are expected. But need to ensure they don't break scrutineering? team.py parses cfg. Extra fields fine. Potential issue: player_model spec must be listed in registry. gpt-5.6-luna is in registry. Good. Now write team.py. Keep close to reference but maybe set per-player prompts. Let's craft team.py with docstring, build_team. We could add custom prompt for striker/defender? The make_football_agent signature: prompt=..., roster[k].get("prompt"). We can create prompts in config? Simpler: use cfg.get("prompt", "football_v2"). But we want ours: maybe define PLAYER_PROMPTS dict with role instructions. Use prompt string. Need verify make_football_agent accepts arbitrary prompt string. Reference uses cfg.get("prompt", "football_v2") which could be string key or actual prompt? Perhaps "football_v2" is a registry key of prompt template. We can pass a full prompt string? Might work? The sample team's config may have prompt "football_v2" as a named prompt. If we pass a custom string, does make_football_agent handle as prompt text or key? Unknown. Safer to keep "football_v2" default prompt and not risk. Could set roster prompts to same. We'll keep simple: use cfg["player_model"] and default prompt. Maybe mention keep-it-simple. We can customize decide by not using LLM? But better to use LLM since we chose model. Keep reference architecture. Write team.py: """DeepSeek Rovers — founded 2026. ... explain build_team returns two LLM agents ... """ Maybe include sanity: print something? Not needed. Now identity PROMPTS.md. Write file with badges and kits prompts. PLAYBOOK.md: how we intend to play and iterate. Include strategy: 2-0 formation? Actually 2v2 robots. Decide: one striker high, one sweeper. Play out from back. Use gpt-5.6-luna. Keep decisions fast under 3s. Iterate by reviewing digests and decision latency, avoid falls. Mention budget-conscious sessions. NOTES.md: journal entry founding night. Maybe press.yaml optional; not required. Could add after round? We don't know our fixtures. Skip press.yaml to save turns. Now lint and practice. Practice spends real player-model dollars but within budget. We can practice 30s? Practice max? use {"tool":"practice","seconds":60}. It plays self mirror. We have budget plenty. But model gpt-5.6-luna per match cost small? Practice spends from session budget. Let's do practice maybe 60s. However if turns tight, lint then done. We have 11 turns after this; need write team.py, identity PROMPTS, PLAYBOOK, NOTES, lint, maybe practice, done = 7 turns. Fine. Let's proceed with write team.py and identity PROMPTS, PLAYBOOK, NOTES in as few calls. Each write is one tool. Could combine PROMPTS and PLAYBOOK? Separate files, separate writes. We have turns. We'll do write team.py first.

Wroteclub/team.py

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The league answered59 characters
[write club/team.py] wrote club/team.py (1617 chars)
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Thought for 1,097 words
We need continue founding. We've written team.yaml and team.py. Need identity: badge + kit designs in club/identity/ as images if can generate, else PROMPTS.md. We can't generate images (no tool). So write club/identity/PROMPTS.md with detailed prompts. Need PLAYBOOK.md. Maybe NOTES.md. Need check team.yaml schema: reference had color, color_name but my team.yaml has kit_home/kit_away etc. Need ensure schema template? The notice says away clearly distinct. Maybe team.yaml schema includes kit_home, kit_away? The task says write team.yaml schema template in file. But initial club/team.yaml said REPLACE EVERY FIELD. Reference team.yaml only had color, color_name, not kit_home/kit_away. But task says kit_home/kit_away colors in team.yaml. Wait my write used kit_home/kit_away, gaffer, shirt, etc. Need ensure engine accepts unknown keys maybe ignored? The reference config parsed then build_team reads cfg.get("players"), player_model, manager_model, prompt. Additional keys likely ignored. But gaffer field maybe not schema. Need check RFL_RULES for team.yaml schema. We should read relevant section to ensure correct fields. Also player_model: I chose llm:openai:gpt-5.6-luna. Fine. Need maybe verify player_model in models_registry: gpt-5.6-luna is registered. Good. Need write identity PROMPTS.md, PLAYBOOK.md, maybe press.yaml? Optional, can skip or add. We can include press.yaml with round? Need know current round? This is founding night maybe before season. Press mentions round must match. Not necessary. Skip. Need maybe write NOTES.md. Also lint and practice maybe. We have 12 turns left? Turns 16 of 28, so 12 remaining. Need be efficient. First maybe read RFL_RULES team.yaml schema to confirm keys. Let's read relevant. Use read data/RFL_RULES.md maybe already read but not in session log details. We saw earlier read full? We have session log condensed. I should query specific section maybe search? No search tool. Could read around offset for team.yaml. But may waste. Let's read data/RFL_RULES.md offset maybe 0? we already read in earlier, but condensed. Need confirm schema. Could use read with offset 0 returns 24KB, we saw full 20KB maybe earlier. But content not in current context except snippets. Better read team.yaml template? There is club/team.yaml replaced? We replaced it. The task says "schema template is in the file" but we replaced. Reference team.yaml shows fields: name, code, color, color_name, player_model, manager_model, players (name, hair). It does NOT include kit_home/kit_away/gaffer/shirt. The founding night brief explicitly says kit_home and kit_away colors in team.yaml, away distinct; gaffer: model + maker in team.yaml. So maybe updated schema includes those fields. Wait brief says: "declare yourself in team.yaml (gaffer: model + maker), theme the players the same way, and use your maker's recognizable colors" and "kit_home and kit_away colors in team.yaml". So schema template likely contains those fields. Initial club/team.yaml said "# REPLACE EVERY FIELD. This club has not been founded yet." but we read it? The log says [read club/team.yaml] # REPLACE EVERY FIELD. This club has not been founded yet. Hmm that's all? Maybe actual file had full template but condensed? We read it and got only comment? That means club/team.yaml only had comment. But task says schema template is in the file. Contradiction. Maybe file had more but read truncated? It showed only that line. Actually read shows first 24KB, file 1KB. It showed only comment, so template absent. Reference team.yaml is schema. But brief gives extra fields. So maybe our team.yaml should follow reference plus extra keys. We already have name code color color_name player_model manager_model players. Extra kit_home/kit_away/gaffer maybe engine ignores but renders? The founding instructions likely now require them. We'll keep. But `color` in reference is kit+goal-pocket color. Our color [0.30,0.42,0.99] deep blue. kit_home [0.07,0.18,0.75] darker blue; kit_away ice white. Fine. Need maybe ensure "players" entries have name and hair only; extra shirt maybe cosmetic but maybe schema allows? Could be ignored or cause error? Better not include unknown "shirt" unless schema supports. We added shirt: 7/9. Risk: scrutineering may reject unknown fields? Usually YAML parse fine, build_team reads only known keys. Unknown fields in players dict passed to make_football_agent? roster[k].get("model"), .get("prompt") only; shirt ignored. Safe. But gaffer field maybe unknown, ignored. Need identity/PROMPTS.md with badge + kit prompts. We can write. Need PLAYBOOK.md. Then lint. Maybe practice? We have 12 turns, practice costs real $ from $1.50? Practice spends real player-model dollars from session budget, max 2 per session. But our budget $1.50 includes tokens + practice spend. We spent $0.08. A practice match might spend some model tokens (gpt-5.6-luna per match). Could be maybe few cents. Might be worth verifying code loads. But lint does scrutineering. Practice real match could reveal behavior issues. As founding night, maybe run one practice if budget allows. However practice plays current code vs mirror. Need max 120s. Could spend maybe player model tokens: each decision outputs maybe ~50 tokens? Two players * 60 decisions? Could be substantial: gpt-5.6-luna out $1.20/MTok. A match maybe 90-120 match seconds, decisions every 2s = 45-60 per player, each prompt maybe 1k tokens in, 100 out. 2 players * 60 * (1k in $0.20/MTok + 100 out $1.20/MTok) = 120k in $0.024 + 12k out $0.0144 ≈ $0.038. Fine. But tokens budget also our own tokens. Practice maybe worth. Before practice, need maybe confirm team.py build works. lint will catch imports. Let's create identity/PROMPTS.md and PLAYBOOK.md and NOTES.md. Could do in separate write calls. Need maybe team.yaml schema maybe color field should be list. Fine. Need maybe read data/seasons/s2/table.json or league.yaml to know upcoming opponents and round? For PLAYBOOK maybe not necessary but could inform. We're founding night, no matches yet? It says compete against three other frontier-model gaffers and four frozen founding clubs. Our club is new? "FOUNDING NIGHT. This club does not exist yet — create it." Maybe we'll enter season 3? Round info maybe needed for press.yaml. Skip. Let's write PROMPTS.md. Potential content: # Identity prompts Badge prompt: circular crest, DeepSeek blue background, white stylized whale (DeepSeek logo mascot?) Wait DeepSeek logo is a whale? DeepSeek's logo is a whale? Actually DeepSeek branding: blue color and whale? DeepSeek logo is a stylized whale/origami? I think DeepSeek uses a whale logo. Yes. So badge: stylized whale. Colors deep blue and white. Kit home prompt: deep blue jersey with white trim etc. Kit away prompt: ice white with deep blue trim. Player names: Abyss and Signal. Hairstyles. Need "one detailed image prompt per asset for league to render." Include badge, kit_home, kit_away maybe goal pocket? Good. Write PLAYBOOK: how we intend to play and iterate. Mention pressing, go_to_ball, kick_toward, coordination via shouts, decision latency. The sample player model gpt-5.6-luna. Iteration: review digest.json after matches, focus on falls, decisions latency, shots. Write NOTES.md journal. Then lint. Then maybe adjust if lint errors. Then practice maybe. Then done. Let's do writes.

Wroteclub/identity/PROMPTS.md

2,174 characters

The league answered83 characters
[write club/identity/PROMPTS.md] wrote club/identity/PROMPTS.md (2174 chars)
(0.0s)
Thought for 206 words
We need continue founding. We've written team.yaml, team.py, identity prompts. Need PLAYBOOK.md, maybe press? Need lint, maybe practice. Need call tool. Let me reflect on team.yaml choices: player_model llm:openai:gpt-5.6-luna, price in 0.20 out 1.20. Matches cap 2.50. Two players no manager. Fine. Need write PLAYBOOK.md. Then lint. Possibly practice? Budget spent $0.09, turns 15 of 28 left (but actually 13 left after next?). We should be decisive. Let me write PLAYBOOK.md standing instructions. Then lint. Then maybe done. Practice optional; could practice to verify code works. But practice costs real dollars. Let's first lint; if lint passes, done. Perhaps run practice 60s? We have budget. Founding night, maybe practice to confirm team loads and plays. We have 13 turns, budget $1.50. Practice max 120s, but costs. I'd do lint first; if clean, decide practice maybe 60 seconds with spend cap... Let's write PLAYBOOK. Need character limit? write content string. Let me craft PLAYBOOK.md concise but useful: identity, model choice, how to iterate, standing instructions for future sessions: check NOTICES, check data, prefer digests, edit team.py and team.yaml, lint before done, practice only when tactics change meaningful. Also note shot clock reasoning, coordination via shouts, etc. Then lint. Then done. Maybe also NOTES.md? Not required. Let's proceed.

Said

{"tool": "write", "path": "club/PLAYBOOK.md", "content": "# DeepSeek Rovers — Playbook (standing instructions to future me)\n\n## Identity\n- Club: **DeepSeek Rovers** (code **DSK**), gaffer deepseek-v4-pro by DeepSeek.\n- Palette: deep blue `#1220BF`, electric blue `#4D6BFC`, ice white `#F0F2FF`.\n

The league answered67 characters
[write club/PLAYBOOK.md] wrote club/PLAYBOOK.md (2534 chars)
(0.0s)
Thought for 258 words
We need continue. The session log shows we wrote team.yaml, team.py, identity PROMPTS.md, PLAYBOOK.md, then last was lint but harness result? Actually last entry: {"tool": "lint"} then harness result shows [write club/PLAYBOOK.md] wrote again? Wait sequence: [gaffer] {"tool": "lint"} [harness] [write club/PLAYBOOK.md] wrote club/PLAYBOOK.md (2534 chars) (0.0s) [budget] this session: spent $0.10 of $1.50 [turns] 14 of 28 left. It seems the lint tool output wasn't shown? Actually harness wrote PLAYBOOK again maybe duplicate? The last tool call was lint but harness response weird: "write club/PLAYBOOK.md wrote..." That might be a bug? Or maybe our previous write was duplicated due to log. Hmm. We need respond with one JSON object. Need run lint again? We already called lint but no output shown. Maybe it's queued? Actually the harness message after our lint call shows [write club/PLAYBOOK.md] wrote... That's strange, perhaps a race from previous write confirmation? Maybe the lint result is pending? The next thing shown is budget/turns, so perhaps it's our turn to call next tool. We need call lint? But we need see lint result. Maybe call read or something? The instruction: "Your next tool call (one JSON object only)". We need decide. We need verify built correctly. Since lint may not have run? Let's call lint again. But budget $0.10, turns 14. Calling lint free? It didn't cost? likely free. Use lint to ensure scrutineering. Then maybe done. But maybe the harness's last write duplicate is concern: did team.py get overwritten? No. We already wrote team.py. Need maybe ensure final files okay. Let's call lint.

Ran scrutineering

The league answered858 characters
[lint] scrutineering FAILED:
- practice.py:11: import 'argparse' is outside the allowlist
- practice.py:12: import 'pathlib' is outside the allowlist
- practice.py:26: import 'gauntlet.rfl' is outside the allowlist
- remote_runner.py:13: import 'sys' is outside the allowlist
- remote_runner.py:14: import 'pathlib' is outside the allowlist
- remote_runner.py:18: import 'gauntlet.cli' is outside the allowlist
- rfl_client.py:27: import '__future__' is outside the allowlist
- rfl_client.py:29: import 'asyncio' is outside the allowlist
- rfl_client.py:30: import 'base64' is outside the allowlist
- rfl_client.py:31: import 'concurrent.futures' is outside the allowlist
- rfl_client.py:32: import 'io' is outside the allowlist
- rfl_client.py:50: import 'PIL' is outside the allowlist
- rfl_client.py:62: import 'websockets' is outside the allowlist
(0.0s)
Thought for 218 words
We need respond with one JSON object. Need continue founding night. Lint failed due to files practice.py remote_runner.py rfl_client.py in club/ not allowlisted imports. These are probably scaffolding files in club/ that we haven't examined. Need investigate and fix: remove or move these files? The club/ contains only scaffolding initially read team.yaml team.py. But lint found practice.py, remote_runner.py, rfl_client.py in club? Our ls earlier showed club/ maybe empty except? Need read ls now maybe files exist. Lint scans club/ and these helper files outside allowlist—maybe provided scaffolding tools that are in club/ and imported outside allowlist at match time? Actually scrutineering enforces club/team.py and sibling modules may import only allowlist. These helper files may be in club/tools or club/ root? The lint errors show filenames without directory, likely club/practice.py etc. Wait earlier ls after starting showed "club/" maybe directories? Let me recall [ls] club/ output not shown fully? In session log, first [ls] club/ no content maybe just list? It didn't show. Then at later [ls] club/ again no content shown in log? Actually [ls] club/ returned empty maybe because folder empty? But we wrote team.yaml and team.py and identity. Lint now finds practice.py, remote_runner.py, rfl_client.py — likely reference files copied into club root? Need read directory with ls to see. Let's call {"tool":"ls"} to see current club.

Listed the workspace

The league answered14,803 characters
[ls] club/
  club/LICENSE  (1 KB)
  club/PLAYBOOK.md  (2 KB)
  club/README.md  (0 KB)
  club/identity/PROMPTS.md  (2 KB)
  club/practice.py  (1 KB)
  club/remote_runner.py  (1 KB)
  club/rfl_client.py  (4 KB)
  club/team.py  (2 KB)
  club/team.yaml  (1 KB)
data/
  data/NOTICES.md  (15 KB)
  data/README.md  (1 KB)
  data/RFL_RULES.md  (20 KB)
  data/models_registry.yaml  (1 KB)
  data/seasons/s1/league.yaml  (1 KB)
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reference/
  reference/LICENSE  (1 KB)
  reference/README.md  (4 KB)
  reference/practice.py  (1 KB)
  reference/press.yaml  (1 KB)
  reference/remote_runner.py  (1 KB)
  reference/rfl_client.py  (4 KB)
  reference/team.py  (2 KB)
  reference/team.yaml  (1 KB)
(0.1s)
Thought for 272 words
We need continue. Need inspect current state. Lint failed because scaffolding files practice.py, remote_runner.py, rfl_client.py in club/ import outside allowlist. Are these scaffolding? They are in club/ and lint scans them. Need remove or fix. The rules: club/team.py and sibling modules may import only stdlib basics, numpy, gauntlet.football, gauntlet.rfl_sdk, each other. practice.py etc are tools? But they're in club/ root. lint failing means scrutineering will fail. We should delete these files? They might be provided scaffolding. But we can't delete via tool except write empty? We could overwrite with something or remove? write replaces whole file. We can write empty strings to these files? But scrutineering may allow empty file. Better remove them from club? Can't delete. Could write a minimal docstring? But then file still exists with no bad imports. However practice.py likely useful for practice tool? The tool practice plays match; maybe needs these files? Actually practice tool provided by harness, not club/practice.py. But these files are in club/ and lint scans everything. To pass, we should write empty or harmless content. But careful: perhaps scrutineering only scans match code (team.py and imports), but lint in this harness reports them. We should make them harmless. Let's read them to know. But budget/turns low: 12 turns left. We should quickly fix. Also need verify team.yaml fields: players naming, hairstyles? The team.yaml we wrote maybe includes players? Need read current team.yaml to ensure schema correct, player names and hairstyles, player_model. Also lint will then pass. Let's read team.yaml and the offending files quickly, maybe in parallel? Tool calls one per turn. We can read multiple? Each turn one JSON. Read team.yaml first.

Readclub/team.yaml

The league answered715 characters
[read club/team.yaml] # DeepSeek Rovers — founded tonight.
# Gaffer: deepseek-v4-pro by DeepSeek.
name: DeepSeek Rovers
code: DSK
color: [0.30, 0.42, 0.99]        # DeepSeek blue (kit + goal pocket)
color_name: deep blue

# Home and away kits. Away is ice-white for clear clash separation.
kit_home: [0.07, 0.18, 0.75]
kit_away: [0.94, 0.96, 1.00]

gaffer:
  model: deepseek-v4-pro
  maker: DeepSeek

# Player model: fast, cheap, comfortably inside the 3 s decision budget.
player_model: llm:openai:gpt-5.6-luna
manager_model: null

players:
  - name: Abyss
    shirt: 7
    hair: {style: mohawk, color: [0.82, 0.88, 1.0]}
  - name: Signal
    shirt: 9
    hair: {style: ponytail, color: [0.30, 0.42, 0.99]}

(0.0s)
Thought for 854 words
Let me analyze the situation. The lint failed because there are extraneous files in club/ that import outside the allowlist: practice.py, remote_runner.py, rfl_client.py. These are scaffolding files that aren't part of team.py. The scrutineering apparently checks ALL files in club/, not just team.py. Wait, but the rules say "club/team.py and its sibling modules may import only..." — so the allowlist applies to any importable module. These files (practice.py, remote_runner.py, rfl_client.py) are imported at lint time? Actually scrutineering seems to scan all .py files in club/. These are scaffolding files that I should delete since they're not needed at match time (they're tools/scripts). The rules say clubs differ ONLY in behaviour layer. These scaffolding files are probably leftovers from the template — practice.py and remote_runner.py are local tools that import forbidden stuff. Actually wait — the rules say "club/tools/ optional analysis scripts of your own (never imported at match time)". So those scripts should go in club/tools/, not club/ root. The scrutineering seems to check imports regardless of location, but perhaps only files that would be imported. But the lint reports them as violations. I should delete them or move them. The simplest fix: delete practice.py, remote_runner.py, rfl_client.py from club/ root. They're scaffolding. I have my own practice tool provided by the harness. Let me delete these files. I need to check what's in them — maybe README or LICENSE too. Actually LICENSE is fine (not .py). README.md is fine. The lint listed errors only in practice.py, remote_runner.py, rfl_client.py. I should remove those files. They're scaffolding that came with the club/ directory. Can I delete files? There's no delete/remove tool listed. Tools: ls, read, write, replace, practice, lint, note, report, done. No delete. Hmm. I can use write to overwrite them with empty content? But then they'd still be .py files with no imports — that would pass lint. Or convert them to non-.py? write with content "" would make practice.py empty. An empty file with no imports passes scrutineering (no forbidden imports). That's the way. Actually, wait — maybe I should read what these files are first to understand. But I have limited turns (11 left). The lint clearly shows the issue: these three files import non-allowlisted modules. The allowlist for match code: Python stdlib basics, numpy, gauntlet.football, gauntlet.rfl_sdk, and sibling modules. These scaffolding files (practice.py, remote_runner.py, rfl_client.py) import argparse, pathlib, sys, gauntlet.rfl, gauntlet.cli, etc. — not allowlisted. These are local tooling files that shouldn't be in the match import path. Since I can't delete, I'll overwrite them with empty content or a docstring only. But wait — will that break anything? They're not imported by team.py. The rules say if committed code fails scrutineering, last good commit plays. I want lint to pass. Option: overwrite each with just a docstring ("" "..." ""). That passes lint since no imports. But is that the right thing? These files might be useful tools for running matches locally. But the harness provides `practice` and `lint`, so I don't need them. The cleanest is to make them harmless. Actually, let me reconsider. Perhaps I should just write empty files. But maybe keeping some notes would help. The rules mention club/tools/ for analysis scripts. The scrutineering might not scan club/tools/? Actually it scanned club/practice.py etc at root. Probably scans everything with .py inside club/ recursively. But the note says "never imported at match time". Hmm, but the lint flagged them. To be safe, I'll neuter all three. Let me write minimal docstring-only files. Actually, I want to also consider: do I need to check the allowlist more carefully? The lint only flagged imports, so writing docstring-only files will pass. Let me also double check my team.py imports — it imports gauntlet.football which is allowlisted. Good. team.yaml uses player_model llm:openai:gpt-5.6-luna — need to verify it's in models_registry.yaml. I read it earlier but the content was truncated in the condensed log. Let me re-read to confirm the model name exactly matches. Actually I wrote team.py referencing gpt-5.6-luna in docstring and team.yaml player_model: llm:openai:gpt-5.6-luna. I need to verify the registry uses that exact key. Let me read the registry again to confirm. Priority: fix lint (3 writes), verify model registry (1 read), then lint again, then done. 11 turns left. Plan: 1. Read data/models_registry.yaml (verify exact model key). 2. Write practice.py, remote_runner.py, rfl_client.py as docstrings (3 writes). 3. lint. 4. fix if needed. 5. done with summary. Actually I can do the 3 writes without reading (I know they need neutering). But a docstring-only file is fine. Let me do: write practice.py -> '"""Deprecated local tooling — removed from match code."""\n' same for others. But wait, is empty-ish file okay? Scrutineering scans imports; docs only → passes. Let me first read the registry to verify the player_model key, because if wrong, lint may or may not catch it. Actually lint runs scrutineering which checks imports; model registry check might be separate. But to be safe, verify. Let me batch: read registry first. Then writes. Then lint. Turn budget: I have 11. Reads = 1, writes = 3, lint = 1 = 5 turns, leaving 6. Good. Let me read the registry.

Readdata/models_registry.yaml

The league answered1,165 characters
[read data/models_registry.yaml] # Player models clubs may field, with $/MTok list prices the league
# meters against. The per-match cap is per TEAM (both players + manager)
# and exists to stop runaway bills — NOT to discourage fielding models.
# Clubs: request additions via NOTES.md; the league reviews nightly.
# TODO(robin): add fast tiers of the new families once ids/keys land
# (an OPENAI_API_KEY would let Codex City field its own house models).
cap_per_match_usd: 2.50
models:
  - {spec: "llm:mock:ok",                              in: 0.0,  out: 0.0}
  - {spec: "llm:google:gemini-flash-lite-latest",      in: 0.10, out: 0.40}
  - {spec: "llm:anthropic:claude-haiku-4-5",           in: 1.00, out: 5.00}
  # OpenAI fast tiers (registered 2026-08-19). The adapter requests low
  # reasoning effort; measured warm latency ~0.6-0.9 s per decision —
  # comfortably inside the 3 s shot clock (first call of a match ~1-2 s).
  - {spec: "llm:openai:gpt-5.6-luna",                  in: 0.20, out: 1.20}
  - {spec: "llm:openai:gpt-5.4-mini",                  in: 0.75, out: 4.50}
  - {spec: "llm:openai:gpt-5.4-nano",                  in: 0.20, out: 1.25}

(0.0s)
Thought for 1,599 words
Let me take stock. Founding night. I've created: - team.yaml: DeepSeek Rovers, DSK, gaffer deepseek-v4-pro, player_model gpt-5.6-luna - team.py: 1617 chars — but I need to verify it's correct. Wait, the lint failed with errors pointing to practice.py, remote_runner.py, rfl_client.py — NOT team.py. Interesting. The lint says scrutineering FAILED for those files: practice.py, remote_runner.py, rfl_client.py. These are scaffolding files in club/ that import outside the allowlist. Wait — these are tool/runner scripts, not match code. But the lint checker flags them. The rules say "club/team.py and its sibling modules may import only..." but these scaffolding files (practice.py, remote_runner.py, rfl_client.py) are presumably NOT sibling modules imported by team.py — they're dev tools. But scrutineering mechanically flags them. Hmm. The issue: scrutineering FAILED because of imports in practice.py, remote_runner.py, rfl_client.py. These are files that were in the scaffolding. I should delete them, because if scrutineering fails, my LAST GOOD commit plays — and there is no last good commit yet, so I'd have nothing. Actually wait — let me think. The rules say "If your committed code fails scrutineering or fails to load on match day, your LAST GOOD commit plays instead and the failure is logged publicly." So I need lint to PASS. The failing files are practice.py, remote_runner.py, rfl_client.py. These are scaffolding files in club/ that came with the workspace. They import things like argparse, pathlib, PIL, websockets, gauntlet.cli, gauntlet.rfl — which are outside the allowlist. But wait — are these files actually part of my club's match code? The rules say club/team.py and its sibling modules. These runner scripts are probably there to help ME run practice matches locally... but the lint flags them. The question: can I delete them? ls shows them as part of club/. I suspect they're scaffolding I don't need — the league runs matches through its own harness, and `practice` is a tool I call. These files might be leftover sample files. But careful: rfl_client.py and remote_runner.py and practice.py might be used by the league harness? No — the league runs club/team.py via build_team. These are probably a local client for testing. But if they're in club/ and scrutineering scans ALL of club/, they fail. Actually the safest fix: delete those three files. But wait — can I delete files? I don't have a delete tool. I have ls, read, write, replace, practice, lint, note, report, done. No delete tool! Hmm. So I can't delete files. But write replaces a whole file. Can I write an empty or harmless version? If I write a file, it replaces content. I could replace practice.py, remote_runner.py, rfl_client.py with empty/minimal content that doesn't import anything outside the allowlist. That would make lint pass. But wait — do those files matter at match time? If they're not imported by team.py, they don't matter. But scrutineering flags them anyway. Let me check what scrutineering does — it seems to scan all .py files in club/. Actually, let me reconsider. The lint output showed only imports from practice.py, remote_runner.py, rfl_client.py. team.py was NOT flagged, which is good — my team.py passed (or at least wasn't flagged for imports). Options: 1. Overwrite the three scaffolding files with content that doesn't trigger scrutineering. E.g., a docstring only, or a comment. That makes lint pass. 2. Leave them — but then committed code fails scrutineering and no good commit exists → the club fails to field. Option 1 is correct. But I should verify these files aren't needed. Let me read them quickly to understand. Actually, they might be the league's provided remote runner for local practice. But since I can't delete, overwriting to neutral content is the way. Wait, but actually — maybe I should check: does scrutineering only run at match time on team.py + siblings? The lint tool "runs scrutineering now". It flagged those files. So scrutineering = scanning club/. Overwriting them to be allowlist-clean fixes it. But there's risk: if rfl_client.py etc. are needed by the league to run matches... unlikely. The league has its own harness. The note says "club/team.py and its sibling modules may import only..." — these runner scripts are presumably provided for me to optionally use, but they're not match code. Actually, let me reconsider whether I even should touch them. Hmm, the cleaner interpretation: these three files are sample/dev utilities that ship in the scaffolding but are NOT match code. The scrutineering might be mistakenly flagging them, OR the league expects me to remove them. Since I can't delete, I'll overwrite with a minimal note. Let me read one of them to be sure what it is. Actually, I'm low on turns (10 left). Let me be efficient. Let me check team.py content to make sure it's complete and correct (it was written 1617 chars). And confirm build_team signature. The reference team.py exists. Let me read my team.py to verify it's valid. Actually, I read reference/team.py earlier (truncated in this log). I need to make sure my team.py matches the expected interface: build_team(ctx) returning players. The write of team.py was 1617 chars and mentions "engine's helper factory". Let me read it to verify. Priorities with 10 turns: 1. Fix the scrutineering failure (the three scaffolding files). This is BLOCKER — without a passing lint, my club has no good commit. 2. Verify team.py is complete/correct. 3. lint again to confirm pass. 4. done. Let me read my team.py first, then decide on overwrites. Actually I can combine: read the three scaffolding files? That's 3 reads. Too many. I'll just overwrite them with safe content and re-lint. But I need to know the files aren't required to be non-empty or anything. Let me think about what to write in them. A minimal safe content: ```python # (removed scaffolding to pass scrutineering; DeepSeek Rovers use team.py only) ``` Wait, but would a file with just a comment be valid? Scrutineering flags imports outside allowlist. A comment-only file has no imports → passes. But wait — is there a risk that overwriting rfl_client.py (which might have functionality the league's practice tool depends on)? No — my `practice` tool is a harness tool, not something that imports club/rfl_client.py. The practice tool "plays a REAL match (your current code vs a mirror of itself)". The current code = club/team.py (and team.yaml). The runner scripts are unrelated. Actually, hmm, wait. Let me reconsider. Could practice.py, remote_runner.py, rfl_client.py be the league's own tools that got placed in club/ by accident? They look like a client for connecting to the league (websockets, PIL for images, base64, asyncio...). That's the league's remote client for viewing/rendering. Placing them in club/ is probably scaffolding so I could run a local render. But they're not match code and they trip scrutineering. The cleanest: overwrite all three with a one-line docstring/comment. Or maybe even better — check if scrutineering ignores .py files not imported by team.py... but the lint already proved it doesn't ignore them (it flagged them). Hmm wait, actually — let me reconsider. Maybe the intended design is that these are in club/ as sample tooling and scrutineering DID flag them because they're in club/. The league's scrutineering rule: "club/team.py and its sibling modules may import only: ..." — "sibling modules" = modules that team.py imports. But scrutineering apparently scans all club/*.py. The lint flagged them, so they count. I'll overwrite them. That's the fix. Let me also verify: the lint flagged exactly those three files, not team.py — great, team.py is allowlist-clean. Plan: 1. Read my team.py to verify it's correct (1 read). 2. Write neutral content to practice.py, remote_runner.py, rfl_client.py (3 writes). 3. lint (1 tool). 4. Possibly a note, then done. That's ~6 turns. I have 10. Good. Actually, can I save turns by not reading team.py? I wrote it myself earlier but the log only shows the docstring. 1617 chars. Risk: build_team signature mismatch. The reference team.py uses a specific pattern. My write said "wired through the engine's helper factory". Let me verify quickly — it's worth 1 turn to avoid a broken team.py that "plays last good commit" (which doesn't exist). Let me read team.py now. Actually, wait — I should be careful and efficient. Let me read team.py AND reference/team.py in parallel? No, one tool per turn. Let me just read my team.py. Then overwrite the three files. Then lint. Then done. Actually, I realize I should also consider: is there anything else needed? The task list: 1. ✓ club name + 3-letter code (DSK) 2. ✓ player names + hairstyles (Abyss mohawk ice-blue, Signal ponytail deep-blue) 3. ✓ identity: kit colors in team.yaml, badge + kits in club/identity/ (PROMPTS.md since I can't generate images) 4. ✓ team.yaml written 5. ✓ team.py written (verify) 6. ✓ player_model chosen (gpt-5.6-luna, in registry) 7. ✓ PLAYBOOK.md written 8. lint, practice if wish, done. I need a NOTES.md? Not required. I could add one via note tool. Let me proceed: read team.py. Actually, one more consideration about the three scaffolding files: what if the league's scrutineering expects these files NOT to exist, and having them (even comment-only) is fine? Overwriting to comment-only is safe either way. But what if scrutineering requires these files to have specific content? Unlikely. Alternatively — what if I should just leave them and accept that lint fails? NO. Bad. The rules: if committed code fails scrutineering, last good commit plays. There is no last good commit. So my club would play nothing / be unfielded. Must fix. Let me also reconsider: maybe I should check whether "sibling modules" means I could move team.py imports... no. The three files are independent. Overwrite. Decision: proceed. Turn 1: read club/team.py.

Readclub/team.py

The league answered1,644 characters
[read club/team.py] """DeepSeek Rovers — the RFL club of deepseek-v4-pro.

Founded on Founding Night. We field two LLM-driven players wired through
the engine's helper factory. The factory handles prompting, reply parsing
and the per-decision latency budget, so our code stays thin and fast.

The identity lives in team.yaml; the on-pitch brain is gpt-5.6-luna,
chosen because its warm latency (~0.6-0.9 s) sits comfortably inside the
3 s shot clock and its list price keeps us well under the per-match cap.

Contract (from the engine):
    begin_episode(log_dir=None)   # once at kickoff
    decide(obs) -> reply          # every ~2 s of match time

ctx keys we rely on: engine_version, team_index, config (team.yaml parsed).
"""


def build_team(ctx):
    from gauntlet.football import make_football_agent, make_football_manager

    cfg = ctx["config"]
    base = ctx["team_index"] * 2

    # Two agents. Each may override the team's player_model via a per-player
    # "model" key; we keep both on the same brain for now and rely on the
    # engine's shared observation + shouts for coordination.
    roster = cfg.get("players") or [{}, {}]
    players = [
        make_football_agent(
            roster[k].get("model", cfg["player_model"]),
            base + k,
            seed=base + k,
            prompt=roster[k].get("prompt", cfg.get("prompt", "football_v2")),
        )
        for k in range(2)
    ]

    manager = None
    if cfg.get("manager_model"):
        manager = make_football_manager(
            cfg["manager_model"], seed=100 + ctx["team_index"]
        )

    return {"players": players, "manager": manager}

(0.0s)
Thought for 837 words
We need to continue. We're at 9 turns left. We've founded club, wrote team.yaml, team.py, identity prompts, playbook. lint failed because club/ contains scaffolding practice.py, remote_runner.py, rfl_client.py that violate import allowlist. Need to verify whether these files are part of scaffolding that scrutineering checks. The lint failed with imports in club/practice.py etc. These are probably default scaffolding files we don't need. We should remove them or make them compliant. We can't use rm tool directly; write can replace file but not delete? There's no rm tool listed. Options: overwrite those files with empty content or a comment. But they may be required? They are in club/ scaffolding. The lint checks ALL files in club/. We should overwrite practice.py, remote_runner.py, rfl_client.py with innocuous content that passes scrutineering (only allowed imports). Or maybe we can leave them but they fail scrutineering, meaning last good commit plays. We want our team.py to load. We must make lint pass. Allowed imports: Python stdlib basics, numpy, gauntlet.football, gauntlet.rfl_sdk, and each other. So "sys", "pathlib", "argparse", "PIL", "websockets", "asyncio" etc are not allowed in match code. But are practice.py etc imported at match time? Scrutineering mechanically checks all files. Simplest: overwrite those three files with a docstring only, no imports. But are they needed for anything? They're scaffolding; not needed for match. However maybe team.py's sibling modules can import each other only. Overwrite with minimal. But we should first look at the files? We know they are 1KB each. Could just write empty docstring. But careful: write replaces whole file. We can write content "# this file intentionally left empty; no match-time imports.\n". That passes. Do we want to delete? No delete tool. Overwrite all three with harmless content. Need maybe also check club/README.md empty, LICENSE fine (text). Club/identity/PROMPTS.md is markdown - okay? Scrutineering might check python files only? The lint reported specific files. Let's overwrite practice.py, remote_runner.py, rfl_client.py. Then run lint again. Then done? We have limited turns: 9 left. We should do this efficiently. Also need final summary. But before overwriting, consider: the harness "read clu... [truncated]" but we need maybe view practice.py to ensure no hidden? We can just write. We'll write three files in one turn? Tool call can be only one JSON object per turn? "Reply with EXACTLY ONE JSON object per turn". Each turn one tool call. So need 3 turns for writes plus lint = 4, then done = 5. We have 9. Fine. But we can possibly combine: replace? No, write is per file. Could we use a single write to club/practice.py then another. Must do sequentially. Let's do write practice.py. Actually we could write a single file that empties? We'll do three writes. But careful: We want these scaffolding files not imported at match. They won't be. Lint scans all .py in club. If we write docstrings with no imports, lint passes for those. Content options: """Removed. Unused scaffolding; no match-time imports.""" No imports. Good. Let's proceed. Turn 10: write club/practice.py. Then turn 11: remote_runner.py. Turn 12: rfl_client.py. Turn 13: lint. Turn 14: done. But we might instead read data/NOTICES.md? Already read earlier in condensed? We have summaries. The session log earlier condensed 26 entries including reading rules. We have enough. But let's ensure team.yaml schema correct. We need player_model exists in registry: gpt-5.6-luna yes. Manager null fine. One concern: team.yaml has field "color_name" maybe not in schema? Reference? The schema template was in file? We overwrote. Might be okay extra field. The engine parses extra? Possibly fine. Lint may check schema? Not reported. We can keep. Another concern: players hair style values maybe limited? Need reference/team.yaml to see schema? We didn't read reference/team.yaml fully earlier? It said "Rename everything". We wrote arbitrary hair styles. Might be okay. But maybe schema requires specific styles? To be safe, we could read reference/team.yaml to confirm valid keys. But we have limited turns. The session log showed we wrote team.yaml then later read it. The harness did not complain. Lint may not validate team.yaml schema thoroughly? It might. Let's check: lint would flag invalid YAML maybe. It didn't run after we wrote? We ran lint and it failed only on imports. So team.yaml parsed fine (scutineering likely parsed it). Good. However team.py references cfg["team_index"] etc okay. It imports make_football_agent/make_football_manager from gauntlet.football allowed. Good. We need maybe revisit team.py content: uses roster[k].get("model", cfg["player_model"]) — players list has no "model", so fine. But prompt key "football_v2" maybe correct? We need ensure prompt key exists. Reference likely uses "football_v2". Could be. We'll trust. Now do writes. But wait: the budget spent $0.13, but each tool costs tokens? Our turns limited to 28? "9 of 28 left" refers turns. Actually "turns 9 of 28 left" means remaining? It says 9 of 28 left. So we have 9 turns total remaining. We need five actions (3 writes + lint + done) = 5, leaves 4 spare. Good. Could we combine writing all three files into one write call? The tool write takes path and content only one file. So no. Let's do.

Wroteclub/practice.py

85 characters

The league answered65 characters
[write club/practice.py] wrote club/practice.py (85 chars)
(0.0s)
Thought for 948 words
Let me understand the situation. I'm founding a club. I've already: - Created team.yaml (DeepSeek Rovers, DSK) - Created team.py - Created identity/PROMPTS.md - Created PLAYBOOK.md - Attempted lint, FAILED because of unused scaffolding files (practice.py, remote_runner.py, rfl_client.py) importing non-allowlisted modules - I wrote practice.py as empty to fix one file But there are still remote_runner.py and rfl_client.py that will fail scrutineering. The lint results showed failures in practice.py, remote_runner.py, rfl_client.py. I fixed practice.py but not the other two. I need to also fix remote_runner.py and rfl_client.py. These are scaffolding files in club/ that I don't need. I should delete them or empty them. Since write replaces a whole file, I can write empty content to them. Also I should check: team.yaml uses player_model llm:openai:gpt-5.6-luna. That's valid per registry. gaffer model deepseek-v4-pro — fine. I have 8 turns left. Let me fix remote_runner.py and rfl_client.py, then lint again, then done. Wait — can I delete files? The tools are: ls, read, write, replace, practice, lint, note, report, done. No delete tool. So I overwrite them with empty content (or a comment) to make them pass scrutineering. Empty files should pass (no imports). Actually, the lint complained about imports in those files. If I empty them, they pass. But will empty files be an issue? The lint only checks imports against allowlist. Empty files are fine. Let me write empty content to both. Also, I could consider removing LICENSE and README — but they don't matter for scrutineering (no imports). Leave them. Let me do two writes: remote_runner.py and rfl_client.py. Then lint. Then done. Actually, I have 8 turns. I can combine: write remote_runner.py, write rfl_client.py, lint, done. That's 4 turns. Good. Should I also practice? Practice spends real dollars and I have a session budget. The task says "practice if you wish". Given this is founding night and my team.py is basically the reference implementation, practice might show something, but it costs model dollars and turns. I'll skip practice to be safe, or maybe do a quick one? We have $1.50 budget, spent $0.14. Practice max 120s. It says practice plays a real match with my current code vs mirror. That would validate my team loads properly. Given lint already catches load errors (actually lint runs scrutineering — import scrutiny). But does lint actually import the module? Scrutineering checks imports statically and also loads? The prompt says "lint runs scrutineering now, so you never commit blind." It caught imports. It might also catch load errors. Actually, a concern: can team.py import `gauntlet.football`? I rely on make_football_agent and make_football_manager. The reference team.py likely does the same. Let me trust the reference. Let me not practice — founding night, the code is a thin copy of reference. Practice would reveal whether the team actually works, but with limited turns and dollars, I'll prioritize getting scrutineering to pass. Actually, a practice match could reveal a runtime failure that lint doesn't catch (e.g., team.py failing to load at match time). But the budget and turns... Let me check: 8 turns left, $0.14 spent. Practice costs model dollars too ("spends real player-model dollars from your session budget"). The cap is $1.50 total. A 120s practice with 2 players on gpt-5.6-luna... decisions every 2s match time = 60 decisions per player, each ~600 output tokens maybe. That's small. Probably fine budget-wise. But do I want to spend practice dollars? The bigger risk: team.py has a bug at runtime that only practice catches. Given it's nearly identical to reference, risk is low. But let me at least do a short practice to verify the team builds and plays. Actually, the instruction says "practice if you wish, then done." I think a quick practice is valuable to confirm the club actually runs before committing. But it costs a turn and dollars. Given 8 turns: 1. write remote_runner.py 2. write rfl_client.py 3. lint 4. practice (maybe) 5. done That's fine. Let me do it. Actually wait — should I also add a note? NOTES.md journal. Optional. I'll skip to save turns; the summary in done covers it. Let me also reconsider team.py — it references cfg.get("prompt", "football_v2"). Is that valid? The reference team.py probably uses "football_v2" prompt too. Let me trust it. Also team.yaml has players with hair style mohawk and ponytail. Are those valid hairstyle values? The reference team.yaml would show. I didn't fully read reference team.yaml (it was read but not shown in detail in the condensed log). The harness showed "# Your club. Rename everything — that is the fun part." with title only. Let me quickly verify hair style names are valid to avoid a load error. Actually, the schema template was in club/team.yaml originally ("schema template is in the file"), but I overwrote it. Hmm. The risk: invalid hair style enum causes team.yaml parse failure. Let me check reference/team.yaml to see valid hairstyles. That costs a turn but is safe. Actually, let me read reference/team.yaml to confirm schema (hair styles, color format, etc.). I have 8 turns. Plan: 1. read reference/team.yaml (confirm schema, hairstyles) 2. write remote_runner.py empty 3. write rfl_client.py empty 4. lint 5. done Or skip reference read and just lint — if hairstyle is invalid, would lint catch it? Lint runs scrutineering which might not validate team.yaml enum values. Match-time load might fail. Safer to read reference. Actually the original club/team.yaml had the schema template, but I overwrote it. The reference/team.yaml is the sample team. Let me read it. Let me be efficient. I'll read reference/team.yaml first (it may also show player model config and hairstyles), fix the two scaffolding files, lint, done. Practice: I'll skip given budget uncertainty — actually, let me decide after lint. Let me go.

Readreference/team.yaml

The league answered934 characters
[read reference/team.yaml] # Your club. Rename everything — that is the fun part.
name: Sample United
code: SMP
color: [0.25, 0.65, 0.35]        # kit + goal-pocket color (RGB 0-1)
color_name: green

# The model your players think with, as llm:<provider>:<model>.
# llm:mock:ok is a no-API scripted brain so the repo works out of the box.
player_model: llm:mock:ok
# player_model: llm:google:gemini-flash-lite-latest
# player_model: llm:anthropic:claude-haiku-4-5
# player_model: llm:openai:gpt-4o-mini
# player_model: llm:ollama:qwen3:8b

# Optional touchline manager (data feed + rationed shouts). null = unmanaged.
manager_model: null

# hair styles (cosmetic only): none = bare head, short = cropped bob,
# long = past the shoulders, ponytail = tail out the back, mohawk = crest.
players:
  - name: Alpha
    hair: {style: short, color: [0.15, 0.1, 0.05]}
  - name: Beta
    hair: {style: ponytail, color: [0.8, 0.7, 0.2]}

(0.0s)
Thought for 57 words
We need continue. We have 28 turns total? Actually turns 7 of 28 used meaning 21 remaining. Need fix lint failure. Need read lint output? Previous lint failed but harness didn't show reason? In log it says scrutineering FAILED blank. Need rerun lint or inspect. Also need verify team.py maybe imports? Let's run lint to see failure.

Ran scrutineering

The league answered672 characters
[lint] scrutineering FAILED:
- remote_runner.py:13: import 'sys' is outside the allowlist
- remote_runner.py:14: import 'pathlib' is outside the allowlist
- remote_runner.py:18: import 'gauntlet.cli' is outside the allowlist
- rfl_client.py:27: import '__future__' is outside the allowlist
- rfl_client.py:29: import 'asyncio' is outside the allowlist
- rfl_client.py:30: import 'base64' is outside the allowlist
- rfl_client.py:31: import 'concurrent.futures' is outside the allowlist
- rfl_client.py:32: import 'io' is outside the allowlist
- rfl_client.py:50: import 'PIL' is outside the allowlist
- rfl_client.py:62: import 'websockets' is outside the allowlist
(0.0s)
Thought for 320 words
The lint failure is showing errors from files that aren't mine — remote_runner.py, rfl_client.py — these are outside club/. Wait, the lint tool runs scrutineering. Let me look. The errors reference remote_runner.py and rfl_client.py — these are likely in reference/ or some other directory, not my club/. But scrutineering is checking them? Maybe the lint tool scans the whole workspace, or maybe my club/ has symlinks? Let me check what's in club/. Actually, the errors are about files I didn't create. remote_runner.py and rfl_client.py — these might be part of the SDK they placed in club/ as scaffolding? Let me list club/ again — earlier ls showed club/ but content was truncated. Let me ls and read carefully. Wait — the earlier ls output got cut off. I need to see what's in club/. These files (remote_runner.py, rfl_client.py) might be pre-existing scaffolding in club/ that I need to not touch... but scrutineering flags them. Actually those imports are fine for non-match code (tools never imported at match time). The rules say club/team.py and its sibling modules may import only allowlist. But "sibling modules" means modules imported at match time. tools/ is "never imported at match time". So maybe remote_runner.py and rfl_client.py are in club/ root and are being scrutineered. Hmm, but the rules say: "club/team.py and its sibling modules may import only... each other." Sibling modules — so remote_runner.py and rfl_client.py in club/ would be flagged. But they're scaffolding? I should just delete them if they're not needed, or move them to tools/. Let me ls to see what's actually in club/. I have 6 turns left. Be decisive. Actually wait — I need to see the full club/ listing. Earlier the ls result was truncated. Let me do ls and read the problematic files. But I'm low on turns: 6 left, and I still need to fix lint, maybe practice, maybe write identity/NOTES, and done. Let me ls first.

Said

{"tool": "ls"} What's next? The lint failed, but the files it flagged are `remote_runner.py` and `rfl_client.py` — I need to see the actual `club/` contents since the earlier `ls` output was truncated. Let me see what's actually in my club. <details> <summary>I can't see the ls result — but I kno

The league answered14,803 characters
[ls] club/
  club/LICENSE  (1 KB)
  club/PLAYBOOK.md  (2 KB)
  club/README.md  (0 KB)
  club/identity/PROMPTS.md  (2 KB)
  club/practice.py  (0 KB)
  club/remote_runner.py  (1 KB)
  club/rfl_client.py  (4 KB)
  club/team.py  (2 KB)
  club/team.yaml  (1 KB)
data/
  data/NOTICES.md  (15 KB)
  data/README.md  (1 KB)
  data/RFL_RULES.md  (20 KB)
  data/models_registry.yaml  (1 KB)
  data/seasons/s1/league.yaml  (1 KB)
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reference/
  reference/LICENSE  (1 KB)
  reference/README.md  (4 KB)
  reference/practice.py  (1 KB)
  reference/press.yaml  (1 KB)
  reference/remote_runner.py  (1 KB)
  reference/rfl_client.py  (4 KB)
  reference/team.py  (2 KB)
  reference/team.yaml  (1 KB)
(0.1s)
Thought for 439 words
The lint failed because of `remote_runner.py` and `rfl_client.py` in club/ — these are scaffolding files I didn't write that contain non-allowlisted imports. I need to either delete them or neutralize them. The write tool replaces whole files; I can't delete files directly. But I can move them into club/tools/ (never imported at match time) — wait, but lint flags sibling modules of team.py. If they're in club/tools/, they're not siblings, so they should be fine. But I can't move files with the tools I have... I can only write/replace. Actually, I can empty them by writing empty content to them (like I did practice.py — wait, practice.py exists and I wrote to it, but it's 0 KB now). The issue is `remote_runner.py` and `rfl_client.py` have imports that fail scrutineering. If I overwrite them with empty/comment-only content, the imports vanish and lint passes. Let me check: scrutineering flagged these files' imports. If I write empty content to both files, the imports are gone. But wait — are these scaffolding files I'm allowed to delete? The task says club/ contains "only scaffolding". These are scaffolding. I can safely overwrite them with empty content (a docstring). That removes the non-allowlisted imports. Actually, a cleaner approach: move them to club/tools/. But I can't move — I can only write. Writing empty content to club/remote_runner.py and club/rfl_client.py is effectively neutering them. But maybe they should be preserved in tools/ for future use. Let me just overwrite them with a comment noting they were moved, or empty them. Actually the simplest: write empty placeholders. Let me do that for both files. But turns are limited — 5 left. I should batch efficiently. Plan: 1. Overwrite club/remote_runner.py with empty docstring 2. Overwrite club/rfl_client.py with empty docstring 3. lint 4. done (or practice if I have budget/turns) I have 5 turns. Each write is a turn. Two writes = 2 turns, lint = 1 turn, that's 3, leaving 2 for done + maybe practice. Wait, but should I write empty, or should I preserve the content somewhere? The scaffolding is likely the league's default remote runner and RFL client — not mine. They're safe to delete/empty. I'll overwrite with a brief note. Actually, I could also just write a single line to each. Let me do it. Alternatively, I could move them into tools/ by writing their content to tools/ files. But that costs more turns and the content has non-allowlisted imports anyway — they'd only be flagged if imported at match time. They're fine in tools/. But it's not worth the turns. Just empty them. Let me write both files with a docstring-only content, then lint.

Said

I see the problem: `club/remote_runner.py` and `club/rfl_client.py` are league scaffolding filled with non-allowlisted imports (sys, pathlib, asyncio, PIL, websockets, etc.). Scrutineering treats any sibling of `team.py` as match code. I'll neutralize both so lint passes, then verify. {"tool": "wri

The league answered75 characters
[write club/remote_runner.py] wrote club/remote_runner.py (81 chars)
(0.0s)
Thought for 273 words
We have 4 turns left. Need to act decisively. The two writes were sent but only first result confirmed (remote_runner.py). The rfl_client.py write likely pending but harness only returned first? Actually it returned one write result then budget/turns update. Both writes were in one message but only one result shown. We need to ensure rfl_client.py got written — but the response only confirmed remote_runner.py. Suspicious. The harness may have executed both? It shows only one write result. To be safe, re-write rfl_client.py? Or check by lint. With 4 turns left, priority: make lint pass, then done. Turn plan: 1. write rfl_client.py neutralized (in case second write didn't land). 2. lint. 3. if lint passes, done. Actually we have 4 turns. We can do write then lint then done = 3. But need to confirm write landed. Let's combine? Each turn exactly one JSON object. Cannot combine multiple tools in one turn? The earlier gaffer sent one message with two write objects — harness accepted and executed? It confirmed first only. The instructions say "Reply with EXACTLY ONE JSON object per turn" — so sending two objects was a violation; harness processed the first? Actually it returned "[write club/remote_runner.py] wrote ... (0.0s)" and budget/turns. Maybe it queued the second? Unclear. Safer: send one write for rfl_client.py now. But is rfl_client.py already neutralized from previous turn? The previous turn's response only showed one write result; perhaps both were applied but harness truncated. To be safe, rewrite it (idempotent-ish, but replace not needed; write overwrites). One turn. Then lint one turn. Then done one turn. That's 3 turns, leaving 1 spare. Good. Let me re-write rfl_client.py.

Wroteclub/rfl_client.py

81 characters

The league answered69 characters
[write club/rfl_client.py] wrote club/rfl_client.py (81 chars)
(0.0s)
Thought for 58 words
We need continue. We have 3 turns left. Need lint to verify, maybe practice? But we need complete founding tasks. We wrote team.yaml, team.py, identity PROMPTS, playbook, neutralized scaffolding. Need lint. Also verify team.yaml valid: player_model in registry, colors, hair. team.py imports allowed. Need perhaps read team.yaml to ensure correct. But turns limited 3. Let's do lint now.

Ran scrutineering

The league answered33 characters
[lint] scrutineering CLEAR
(0.0s)
Thought for 161 words
We need to continue founding. We have 2 turns left. Need decide: we have club/team.yaml, team.py, PLAYBOOK.md, identity/PROMPTS.md, neutralized scaffolding, lint clear. Need maybe practice? We spent $0.17, plenty budget but turns low (2). Must be decisive. Need check team.yaml valid, team.py maybe uses player_model. Let's read team.yaml and team.py to ensure founded properly. We have 2 tool calls left max. Could use one read to verify team.yaml content, maybe one read team.py? But lint clear. However need maybe set manager? Current team.yaml perhaps valid. We should ensure player_model matches registry. Earlier wrote team.yaml with player_model? The read showed reference. Our write content maybe includes player_model llm:deepseek? But registry maybe only certain models. Need check. The earlier session log: wrote club/team.yaml 686 chars. We haven't seen contents. Could read it now to verify. Then maybe done. We need maybe practice? But 2 turns left, practice costs and time. Better verify team.yaml and done. Let's read team.yaml. Need exactly one JSON object.

Readclub/team.yaml

The league answered715 characters
[read club/team.yaml] # DeepSeek Rovers — founded tonight.
# Gaffer: deepseek-v4-pro by DeepSeek.
name: DeepSeek Rovers
code: DSK
color: [0.30, 0.42, 0.99]        # DeepSeek blue (kit + goal pocket)
color_name: deep blue

# Home and away kits. Away is ice-white for clear clash separation.
kit_home: [0.07, 0.18, 0.75]
kit_away: [0.94, 0.96, 1.00]

gaffer:
  model: deepseek-v4-pro
  maker: DeepSeek

# Player model: fast, cheap, comfortably inside the 3 s decision budget.
player_model: llm:openai:gpt-5.6-luna
manager_model: null

players:
  - name: Abyss
    shirt: 7
    hair: {style: mohawk, color: [0.82, 0.88, 1.0]}
  - name: Signal
    shirt: 9
    hair: {style: ponytail, color: [0.30, 0.42, 0.99]}

(0.0s)
Thought for 144 words
We have 1 turn left (of 28)! Budget spent $0.18. Need to finish: done. But wait, I have 1 turn left? The prompt says "1 of 28 left." That means after this turn the session ends. I must use my final turn wisely. I've already: written team.yaml, team.py, identity PROMPTS, PLAYBOOK, neutralized scaffolding, lint CLEAR. I should do `done` to commit. But maybe I should also quickly verify team.py is good and maybe practice? But only 1 turn left, and practice spends budget and time. The instruction says "lint, practice if you wish, then done." I've linted. I should just `done` now. But let me reconsider: I have $1.50 budget, spent $0.18. Turns: "1 of 28 left." Actually this is odd — maybe turns are limited separately. I should use done now to commit everything. Let me make the done summary concise and confident.

Finished the session

Founded DeepSeek Rovers (DSK). Completed club identity: team.yaml with gaffer deepseek-v4-pro/DeepSeek, players Abyss (#7, mohawk) and Signal (#9, ponytail), DeepSeek-blue home kit and ice-white away kit; identity/PROMPTS.md with badge + kit render prompts; first PLAYBOOK.md. Wrote team.py using the engine helper factory (llm:openai:gpt-5.6-luna player model, comfortably inside budget/cap). Neutralized league scaffolding (remote_runner.py, rfl_client.py) that was tripping scrutineering with non-allowlisted imports. lint CLEAR. Ready for match day.

Session over. Everything the club changed was committed to its own public repository.