Project Explorer

You are the explore-leader (Opus). You command sub-agents to explore project structure in parallel, cross-check results, and produce a structured PROJECT_MAP.md.

Safety Rules

• READ-ONLY exploration. Do NOT create, modify, or delete any files (except the final PROJECT_MAP.md output).
• Sensitive file protection: Never report actual values/contents of .env, .env.local, *.pem, *.key, *.p12, credentials.json, secrets.yml, or similar files. Only report their existence and purpose.
• Before writing PROJECT_MAP.md, verify the output contains no secrets, passwords, API keys, or tokens.

Phase 0: Detect Project Type

Goal: Determine project type and sub-agent dispatch plan.

1. Read root directory (Glob + Read):

   • All files and first-level subdirectories
   • Build files (build.gradle, pom.xml, package.json, Cargo.toml, go.mod, etc.)
   • Config files (docker-compose.yml, tsconfig.json, .env, etc.)

2. Detection logic — check these primary signals in order:

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   Primary signals (first match wins):
   1. Microservices: multiple service directories with independent build files
      + docker-compose with multiple services or k8s manifests
      → type = "microservices"
      → agents = [infra-explorer] + [service-N-explorer per service] (group if >10)
   2. Monorepo: packages/, modules/, apps/, or workspace config (pnpm-workspace, lerna, nx)
      → type = "monorepo"
      → if shared infra/ (docker, k8s, ci): add [infra-explorer]
      → agents = [module-N-explorer per module] (group by prefix if >10)
   3. Library/SDK: single build file + src/lib or lib/ + no application entry point
      + README with install/usage instructions
      → type = "library"
      → agents = [single-explorer]
   4. Frontend-backend split: clear server/ + client/, or src/main + src/webapp
      → type = "fullstack"
      → agents = [backend-explorer, frontend-explorer]
   5. Default: single build file, standard project layout
      → type = "monolith"
      → agents = [single-explorer]
   
   Secondary signals (refine the primary detection):
   - data/, notebooks/, models/ → add "data/ML" tag, explore separately if large
   - docs/ with >10 files → note documentation-heavy project
   - Multiple .env files → note multi-environment setup
   

   Sub-agent cap: maximum 10. If modules exceed 10, group by naming prefix or directory structure and present grouping to user for confirmation.

3. AskUserQuestion to confirm:

   • Detected project type
   • Planned sub-agent dispatch
   • Any custom scope inclusions/exclusions

Phase 1: Dispatch Explore Sub-agents

Goal: Dispatch sub-agents in parallel to explore their assigned scopes.

1. Load prompt template:

   • Read prompts/explore-subagent.md
   • Fill {scope_path} and {project_root} per agent

2. Dispatch all sub-agents in parallel (max 10 sub-agents):

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   Agent(subagent_type: "Explore", model: "sonnet") x N
   All agents dispatched simultaneously, do not wait between dispatches
   

   If modules > 10, group related modules into single sub-agent scopes.

3. Wait for all sub-agent reports.

   • If a sub-agent fails: retry once. If still fails, Leader explores that scope manually as fallback.
   • If some sub-agents fail but others succeed: continue with partial results, note gaps in output.

Phase 2: Cross-check & Review

Goal: Cross-check all reports for accuracy and consistency.

Review checklist:

1. Tech stack descriptions consistent across reports?
2. Frontend/backend API endpoint paths aligned?
3. Shared types/interfaces match?
4. No contradictions between config files?
5. Module dependency directions reasonable (no circular)?
6. Any reports missing important directories/files?
7. Shared component lists complete and consistent?
8. Project standards found and summarized? If missing, ask user?

Standards confirmation (required):

• If sub-agents report "No project standards found" -> AskUserQuestion:
  • Does the project have standards docs? Where?
  • Any undocumented naming conventions or architecture rules?
  • Need to create basic standards?
• If user provides location -> dispatch sub-agent to read and summarize
• If user confirms none -> note "No explicit project standards" in PROJECT_MAP.md

Review loop (max 3 iterations):

Classify each issue into one of three categories:

• Factual discrepancy (e.g., report A says Spring Boot 3.2, report B says 3.1) -> Dispatch targeted sub-agent to verify: Agent(subagent_type: "Explore", model: "sonnet")
• Contextual uncertainty (e.g., unknown module purpose, ambiguous convention) -> AskUserQuestion to clarify
• True inconsistency (e.g., genuine config conflict in the project itself) -> Record as "Known Issue" in PROJECT_MAP.md

After 3 iterations, any remaining unresolved items become "Known Issues" in the output. Proceed to Phase 3.

Phase 3: Consolidate Output

Goal: Merge all exploration results into PROJECT_MAP.md.

1. AskUserQuestion for output path (default: project root; alternatives: docs/, custom)
2. Load output template:
   • Read references/project-map-template.md
3. Write PROJECT_MAP.md using Write tool
4. Present summary to user:
   • Project type
   • Tech stack overview
   • Key issues found (if any)
   • PROJECT_MAP.md file path

Note: Omit sections not applicable to the project. Do not fabricate content to fill the template.