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coordinator-source-of-truth

The complete file-by-file source-of-truth hierarchy for Squad: which files are authoritative, which are derived/append-only, who may write each one, who may read each one, and the precedence rules when they conflict. Squad coordinator loads this on demand when it needs to resolve a write conflict, decide where a piece of state belongs, or answer a 'who owns this file' question.

packages/squad-sdk/templates/skills/coordinator-source-of-truth/SKILL.md

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Observed behavior
Network or broad shell
Last checked
Nov 3, 2026

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3,340
Repository last updated
Nov 6, 2026
License
MIT

Observed agent integration: No specific integration evidence. Standard SKILL.md installation does not imply verified compatibility.

Files and excerpt

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> **Load this skill when:** the coordinator (or any agent) needs to resolve a "where does this state belong?" or "who is allowed to write this file?" question — e.g., when about to write `.squad/decisions.md`, when reviewing whether an agent broke the append-only rule, when answering a user question about Squad's file layout, or when adjudicating a conflict between two files. The short summary in `squad.agent.md` is for routing; this skill is the full reference.

## State backend note

Files below marked as **"Derived / append-only"** are **mutable state** — agents access them with runtime state tools (`squad_state_read`, `squad_state_write`, `squad_state_append`, `squad_state_create_if_absent`, `squad_state_delete`, `squad_state_list`). The runtime decides whether the configured backend stores them on disk, git-native state, or an external provider. Files marked as **"Authoritative"** are **static config** and always live on disk regardless of backend.

## File hierarchy

| File | Status | Who May Write | Who May Read |
|------|--------|---------------|--------------|
| `.github/agents/squad.agent.md` | **Authoritative governance.** All roles, handoffs, gates, and enforcement rules. | Repo maintainer (human) | Squad (Coordinator) |
| `.squad/decisions.md` | **Authoritative decision ledger.** Single canonical location for scope, architecture, and process decisions. | Squad (Coordinator) — append only | All agents |
| `.squad/team.md` | **Authoritative roster.** Current team composition. | Squad (Coordinator) | All agents |
| `.squad/routing.md` | **Authoritative routing.** Work assignment rules. | Squad (Coordinator) | Squad (Coordinator) |