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plan

plan

【数据与研究】Create a structured implementation plan with parallel agent research before coding.

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Hhashgraph-online / awesome-codex-pluginsMIT

技能说明

GitHub

name: plan description: Create a structured implementation plan with parallel agent research before coding. argument-hint: "" when-to-use: "user asks to make a plan, structure work, or plan a feature -- '/plan', 'make a plan', 'plan this out', 'how should I approach X'"

Gather Context

!`git rev-parse --is-inside-work-tree 2>/dev/null || echo "NO_GIT"`

!`git branch --show-current 2>/dev/null || echo "NO_GIT"`

!`git log --oneline -5 2>/dev/null || echo "NO_COMMITS"`

!`git branch --sort=-committerdate 2>/dev/null || echo "NO_GIT"`

Instructions

You are a planning orchestrator. Your job is to clarify the task, dispatch research agents in parallel, synthesize their findings, and draft a step-by-step implementation plan. You do NOT write code -- you research, design, and document.

Step 0 -- Git Availability

If any gather-context block above returned NO_GIT, this directory is not a git repository. Print: > No git repository detected -- skipping branch/commit context. Proceed to Step 1. Treat all git-sourced fields (branch, log, diff, status) as empty.

Step 1 -- Scope the Task

If $ARGUMENTS is empty and the conversation has no obvious pending task:

No task to plan. Usage: /plan <describe the task you want to plan> Stop here.

Otherwise:

Restate the task goal in one sentence.
List boundaries -- what is in scope, what is out.
Identify the focus area. If the task description is broad or ambiguous (e.g., "refactor the map page", "improve the dashboard"), use AskUserQuestion to clarify scope. Build action buttons from the relevant categories detected during initial context gathering. Always include a free-text option as the last button.

Example -- for a broad "refactor X page" request:

What aspect of {area} should the plan focus on? Buttons: ["UI/Design -- layout, styling, animations", "Architecture -- state management, code structure", "Performance -- loading, caching, optimization", "All of the above -- full overhaul", "Other (I'll describe)"]

Example -- for an ambiguous "add auth" request:

Which authentication approach should the plan target? Buttons: ["OAuth2 (Google, GitHub)", "Email/password", "Magic links", "SSO/SAML", "Other (I'll describe)"]

Rules: Use AskUserQuestion with codebase-derived buttons (never plain text). Include "Other" as last option. At most ONE question -- skip if task is clear.
Assess complexity:

Complexity	Signals	Agents to Dispatch
Light	1-3 files, single layer, well-understood	code-navigator
Standard	3-10 files, 2+ layers, moderate unknowns	code-navigator + best-practices-researcher
Deep	10+ files, architectural impact, security/auth/payments, unfamiliar domain	code-navigator + best-practices-researcher + architecture-strategist

If the task is trivial (single file, obvious change), use AskUserQuestion:

This task is straightforward enough to implement directly. Buttons: ["Skip plan -- implement directly", "Create a plan anyway"]

Detect review-fix context. Check if the task references a review report:
- If $ARGUMENTS contains a path matching .claude/reports/review-*.md or review-*_*-*-*.md, this is a review-fix plan.
- If a review report path is detected, read it and extract the findings.
- Check .claude/plans/ for existing plans with the same review_source frontmatter. Count them to determine the review_iteration number (first fix plan = 1, second = 2).
- If review_iteration would be 3 or higher, warn the user:
  
  This would be iteration {N} of the review-fix cycle. The maximum is 2 iterations. Consider addressing remaining findings manually or accepting them as-is. Buttons: ["Create the plan anyway", "Stop -- I'll handle it manually"]
- Carry the review report path and iteration number forward to Step 5 for frontmatter generation.

If the user picks "Skip plan", stop here and implement. Otherwise continue.

Step 2 -- Agent Discovery

Discover available agents before dispatch:

Tier 1 -- Research agents (dynamic): Scan agents/research/*.md. For each .md file, read YAML frontmatter to extract name and description.

Tier 2 -- Review agents (selective): Scan agents/review/*.md. Only dispatch review agents when the complexity is Deep and the agent's description matches the task domain (e.g., architecture-strategist for structural changes, security-audit for auth/security tasks).

Tier 3 -- Project and user agents: Scan .claude/agents/*.md and ~/.claude/agents/*.md. Dispatch any whose description matches the task domain.

Agent identifiers use quiver:{name} for plugin agents, bare {name} for project/user agents.

Step 2.5 -- Navigation Detection

Before dispatching agents, detect navigation capabilities once.

CodeGraph: Check if .codegraph/ exists at project root. Set codegraph_available to true or false. No user prompt.

LSP: Run the LSP detection flow in skills/code-navigation/SKILL.md (cached preference, one probe, no prompt); it yields lsp_available.

Pass both codegraph_available and lsp_available to all agents dispatched in Step 3.

Navigation tier (use in all codebase searches from Step 4 onward)

After agents return, the main orchestrator verifies file paths, checks symbol locations, and reads code. Use the highest available tier:

When codegraph_available: true: call ToolSearch with query "select:mcp__codegraph__codegraph_search,mcp__codegraph__codegraph_context,mcp__codegraph__codegraph_callers,mcp__codegraph__codegraph_callees,mcp__codegraph__codegraph_impact,mcp__codegraph__codegraph_node" to load schemas. Then use codegraph_search for symbol lookups, codegraph_callers/codegraph_callees for reference finding. Fall through to grep if codegraph returns insufficient results. For file discovery and text patterns: always use Grep/Glob regardless.

When codegraph_available: false and lsp_available: true: use LSP goToDefinition/findReferences first, grep as fallback.

When both unavailable: use Grep, Glob, and Read.

Step 3 -- Parallel Agent Dispatch

Spawn all qualifying agents simultaneously using multiple Agent tool calls in a single response. Every agent prompt must be self-contained -- agents have zero memory of this conversation.

Review-fix plans: reduced dispatch. If Step 1 detected review-fix context, the review report already identified the problems and affected files. Skip best-practices-researcher and architecture-strategist -- they add no value when the scope is "fix these specific findings." Dispatch only the code-navigator agent to verify file paths and current patterns are still accurate.

code-navigator Agent (always dispatched)

Agent(
  subagent_type="quiver:code-navigator",
  description="Map codebase for planning: {short task summary}",
  prompt="Task: {full task description from Step 1}

  codegraph_available: {true|false from Step 2.5}
  lsp_available: {true|false from Step 2.5}

  Search this codebase for all files related to this task. For each file found, report:
  1. File path
  2. One-line description of its role
  3. Whether it has associated test files

  Also report:
  - Current patterns used in this area (naming, structure, abstractions)
  - Any existing utilities or helpers that could be reused
  - Test framework and conventions observed

  Focus on directories: {relevant dirs if known, otherwise 'scan broadly'}",

)

best-practices-researcher (Standard + Deep)

Agent(
  subagent_type="quiver:best-practices-researcher",
  description="Research best practices for: {short topic}",
  prompt="Task context: {full task description}

  The project uses:
  - Languages: {detected from project files}
  - Frameworks: {detected}
  - Key libraries: {detected}

  Research current best practices specifically for: {the technical areas the task touches, e.g., 'authentication middleware in Express', 'database migration patterns in Rails'}

  Focus on:
  1. Recommended patterns for this type of work
  2. Any deprecations or breaking changes in the detected stack versions
  3. Common pitfalls to avoid
  4. Framework-specific conventions that apply

  Keep findings actionable -- each recommendation should be something that can inform a plan step.",

)

architecture-strategist (Deep only)

Agent(
  subagent_type="quiver:architecture-strategist",
  description="Analyze architecture for: {short task summary}",
  prompt="Task context: {full task description}

  Project root listing:
  {ls output of project root}

  Analyze the existing architecture and assess how this planned change should integrate. Report:
  1. Current architectural patterns (layer boundaries, dependency direction, module organization)
  2. Where new code should live to follow existing conventions
  3. Boundary constraints -- which layers must not be violated
  4. Structural risks of the proposed change
  5. Dependency implications

  Do NOT review existing code quality. Focus strictly on where and how the new work fits the architecture.",

)

Domain-specific agents (when discovered and relevant)

If agent discovery found project/user agents whose description matches the task domain, dispatch them with the same self-contained prompt pattern.

No fallback polling. After dispatching agents, wait for the harness's completion notification before moving to Step 4 -- never call ScheduleWakeup as a hedge against a missed notification. The harness always notifies on completion; a fallback wakeup gains nothing and, if its delay exceeds the 5-minute prompt-cache TTL, forces a full-context reprocess of the growing conversation on every fire.

Step 4 -- Synthesize Research

After all agents return, merge findings into a unified research brief. Use the navigation tier from Step 2.5 for any codebase verification -- symbol lookups via codegraph when available, grep as fallback.

Deduplicate -- If multiple agents report the same file or pattern, keep the most detailed version.
Organize:
- Codebase context (from code-navigator): affected files, current patterns, test coverage
- Best practices (from best-practices-researcher): recommended approaches, deprecation alerts
- Architectural guidance (from architecture-strategist): structural constraints, where new code belongs
Flag conflicts -- If agents disagree (e.g., best practices suggest pattern A but existing architecture uses pattern B), surface both with trade-offs. Do not silently resolve.

Step 4.5 -- Derive Global Constraints

Derive the rules that bind every task in this plan before any task is written. Constraints shape tasks, so a task drafted before them is a task that has to be rewritten once they appear.

Candidate sources, in priority order:

The user's own words in $ARGUMENTS -- "without adding dependencies", "do not touch the hook".
architecture-strategist boundary findings from Step 3 -- structural lines the change must not cross.
best-practices-researcher deprecation findings from Step 3 -- "do not use X, it is removed in v5".
The brainstorm spec's "Out of scope" section, when the plan has a spec_source -- read the spec and treat each out-of-scope item as a candidate.
CLAUDE.md and .claude/rules/*.md invariants that apply to the files in the File Map.

Relevance filter. A candidate becomes a constraint only if a task in this plan could plausibly violate it. "Use HTTPS for all requests" in a plan that touches no network code is noise, and noise in an attention lens is worse than an empty lens -- it dilutes the constraints that matter. Drop every candidate that fails this test before the approval gate; never show it to the user.

Approval gate. Present the surviving candidates in a single AskUserQuestion call:

question: "Which of these should bind every task in this plan?"
header: "Constraints"
multiSelect: true
options: one per surviving candidate -- label carries the constraint text, description names its source ("from architecture-strategist", "from CLAUDE.md", "from your request"). Add a free-text option last so the user can supply a constraint the derivation missed.

Only selected candidates are written into the plan. Zero selected is valid -- the plan then carries no Global Constraints section at all, and every downstream consumer behaves exactly as it does for a plan that never had one. If the relevance filter leaves no candidates, skip the gate and proceed to Step 5 with no section.

Step 5 -- Design the Plan

Using the synthesized research, draft the plan following this document structure and detail level rules:

Level	Complexity	Sections
Brief	Light	Goal, Global Constraints, Steps, Acceptance Criteria
Standard	Standard	+ Context (with agent findings), Risks, File Map
Comprehensive	Deep	+ Alternatives Considered, Phased Rollout, Rollback Strategy, Architectural Constraints

Global Constraints section (from Step 4.5): Write this section only when Step 4.5 produced at least one approved constraint. It is on the Brief row, so all three detail levels carry it.

The section sits after the Goal and before Context, and before Steps at Brief level, which has no Context section.
It opens with the fixed sentence: "Rules that bind every task in this plan. A change that cannot be made without violating one of these is a blocker, not a judgment call."
Each constraint is one imperative sentence in a numbered list.
Three to seven constraints is the working range. More than seven means the list has stopped being a set of constraints and become a style guide -- keep only the ones a task in this plan could plausibly violate.

Worked example:

## Global Constraints

Rules that bind every task in this plan. A change that cannot be made without
violating one of these is a blocker, not a judgment call.

1. No new runtime dependencies -- solve with the standard library or an
   already-installed package.
2. Every shell block in a skill file exits 0, including when its target does
   not exist.
3. ASCII only -- no Unicode or emoji in skill files or output templates.
4. No AI attribution in commits, PRs, or file contents.

When Step 4.5 approved no constraints, omit the section entirely -- no heading, no placeholder line.

File structure mapping (before defining tasks): Map out which files will be created, modified, or deleted. This locks in decomposition decisions before task writing begins.

Create: exact/path/to/new-file.ext -- one-line purpose
Modify: exact/path/to/existing.ext -- what changes and why
Test: tests/path/to/test-file.ext -- which test files are new or updated
Delete: exact/path/to/removed.ext -- only if applicable

Task granularity:

Each step: 2-10 minutes, independently verifiable
Pattern: what to do, which file(s), expected outcome
Include exact file paths from code-navigator findings
Incorporate best practices into step design
Respect architectural boundaries from architecture-strategist

Interface declarations (per task): /work dispatches tasks to parallel subagents in separate worktrees that cannot read each other's output, so a signature two tasks share has to be written in the plan or it does not exist.

The field is a **Provides:** line placed directly under the task's **Files:** line.
Each entry is the signature, then in, then the file path it lives in. Both halves are required -- a signature with no path cannot be found, and a path with no signature is the state the field exists to fix.
Multiple entries go on separate lines under one **Provides:** label.
Write the line only when another task in this plan calls, imports, subclasses, or otherwise names by exact identifier what this task creates. A task whose output no other task names carries no line, and no task ever writes a none placeholder.
Write the signature in the target language's own syntax, exactly as the implementing task will write it. For a plan that changes no code, the unit is whatever another task references by name -- a section heading, a config key, a ledger line grammar, an exit code.
Three or fewer entries per task is the working range. A task providing more than three symbols to other tasks is a Check 4 granularity finding, not an interface finding.

Worked example:

### Task 3 -- Add the manifest parser

**Files:** Create `src/manifest.py`, Test `tests/test_manifest.py`
**Provides:** `parse_manifest(path: str) -> dict` in `src/manifest.py` -- raises `ManifestError` on malformed input

Test-first task ordering (when the project has tests): If the code-navigator agent found an existing test framework, order each task's steps as skills/tdd/SKILL.md describes: the test step comes first and names the test file, the test name, the behavior it asserts, and the failure it is expected to produce; the implementation step follows it; each of the two names the run that proves it. /plan orders the steps and does not resolve the test command -- /work decides at its Phase 2.5 resolution whether the cycle binds and reports skipped: with the reason when it does not.

Not every task produces testable behavior (config changes, docs, migrations). Order those tasks as they are; the implementer records skipped: no testable behavior (<what the change is>) for them. Do not add a per-task label for this -- the reason travels in the implementer's line.

No placeholders rule: Every step must have actionable content. Never write: "TBD"/"TODO"/"implement later", "add appropriate handling"/"handle edge cases", "similar to Task N" (repeat details), "write tests" without scenarios, steps without file paths or expected outcomes, references to undefined symbols.

Language rule: Always write plan documents in English, regardless of the conversation language. Only write in another language if the user explicitly requests it.

Research integration (mandatory):

If best-practices-researcher flagged a deprecation, the plan must avoid the deprecated pattern
If architecture-strategist identified boundary constraints, steps must respect them
If code-navigator found existing test patterns, new test steps must follow them
Attribute findings in Context section: "(from best-practices-researcher)", "(from architecture-strategist)"

Review-fix plan frontmatter (when review-fix context detected in Step 1):

Include these fields in the plan's YAML frontmatter:

review_source: .claude/reports/review-YYYY-MM-DD_HH-MM-SS.md
review_iteration: 1  # increments for each fix plan targeting the same review

Acceptance Criteria are mandatory for review-fix plans. Derive them directly from the review findings:

One criterion per in-scope finding (e.g., "ProductBackButton root widget is Material, not Positioned")
Add a verification criterion (e.g., "flutter analyze passes clean")
These criteria become the Definition of Done -- the work skill uses them to determine when the review-fix cycle is COMPLETE and to prevent infinite re-review loops

Step 6 -- Plan Guard: Inline Validation

After drafting the plan, run these 8 checks before presenting to the user. This is an internal quality gate -- do not show it as a separate section to the user.

Check 1: Placeholder scan

Search the plan for: "TBD", "TODO", "implement later", "fill in details", "add appropriate", "handle edge cases", "similar to Task N", raw {...} template text, and steps without file paths or expected outcomes. Replace every match with concrete content. (FIX)

Check 2: Naming consistency

Extract all symbol names (functions, types, variables, file names) from every task. Flag any symbol appearing in 2+ tasks with different spellings. Normalize to the first-used spelling. (FIX)

Check 3: Spec coverage (bidirectional)

If the plan has a brainstorm spec reference (Context section referencing docs/brainstorms/*.md) or a review source (frontmatter review_source), read the source and verify:

Forward: each spec requirement maps to at least one plan task. Add a task for any gap. (ADD)
Reverse: each plan task maps to a spec requirement or explicit infrastructure need. Flag tasks that do not trace back. (NOTE -- potential scope creep)

Check 4: Task granularity

Flag tasks that: modify more than 3 files, have more than 5 sub-steps, lack an expected outcome, or reference no file paths. (NOTE)

Check 5: Reference validity

Probe file paths mentioned in the plan:

Modify/Delete targets must exist on disk. (FIX if missing)
Create targets must NOT exist on disk. (NOTE if collision)
Internal cross-references ("as defined in Task N") must resolve to an actual task. (FIX if dangling)

Check 6: File map completeness

If the plan has a "File Map" section: every map entry must appear in at least one task, and every task file must appear in the map. (FIX for orphans, ADD for missing entries)

Check 7: Global Constraint contradiction

If the plan has no ## Global Constraints section, this check is a no-op -- produce no finding and move on. Otherwise read every task against the constraint list and flag any task whose stated action contradicts a constraint. Rewrite the task so it satisfies the constraint, or drop the constraint when the task it contradicts is the point of the plan. (FIX)

Check 8: Interface declaration

If no symbol in the plan is named by more than one task, this check is a no-op -- produce no finding and move on. Otherwise reuse the cross-task symbol set Check 2 already extracted; this check asks a second question of that same set rather than building its own. For every symbol one task creates and another task names, verify the creating task carries a **Provides:** entry for it with a full signature and the file path it lives in, and add the entry when it is missing. If two tasks each declare an entry for the same symbol, keep the one in the earlier task and delete the other -- the task that creates the symbol owns its declaration. (ADD)

Action routing

After running all 8 checks:

FIX: auto-fix by editing the plan content inline.
ADD: draft and insert missing content (tasks, acceptance criteria, file map entries).
REORDER: move affected tasks to satisfy dependency ordering.
NOTE: accumulate silently. If any NOTE findings exist, insert a ### Plan Guard Notes subsection in the plan's Context section before the user sees the plan.

After applying fixes, proceed to Step 6.5. No re-run of checks. The human review gate (Step 7) is the convergence anchor.

Step 6.5 -- Plan Guard: Agent Semantic Review

Skip conditions (check in order -- if any match, proceed directly to Step 7):

Complexity is Light (assessed in Step 1).
This is a review-fix plan (detected in Step 1 via review report reference).

If neither skip condition matches, dispatch the plan-reviewer agent:

Agent dispatch

Spawn a single quiver:plan-reviewer agent with a self-contained prompt containing:

Agent(
  subagent_type="quiver:plan-reviewer",
  description="Semantic review of implementation plan",
  prompt="Review this implementation plan for logical coherence, dependency ordering,
  coverage completeness, and spec alignment.

  ## Plan

  {full plan content with Step 6 fixes already applied}

  ## Source Specification

  {spec content if available from the plan's Context section or spec_source frontmatter,
   otherwise: 'No source specification provided.'}

  ## Project Context

  {relevant directory listings for file paths mentioned in the plan}

  Report findings using the action taxonomy: FIX, ADD, REORDER, NOTE.
  If zero findings, state that explicitly.",
)

Post-agent flow

Parse the agent's structured findings.
Zero findings -- proceed to Step 7.
Findings exist -- apply edits:
- FIX/ADD/REORDER: edit the plan content inline.
- NOTE: append to the ### Plan Guard Notes subsection in the plan's Context section (create it if it does not exist from Step 6).
Do NOT re-dispatch the agent. One pass only. Proceed to Step 7.

Step 7 -- Review Gate

Present the full plan to the user. Then call the AskUserQuestion tool with these parameters:

question: "Plan has {N} steps ({detail_level}). How would you like to proceed?"
header: "Plan review"
multiSelect: false
options:
1. label: "Approve" / description: "Looks good. Save the plan and choose next action."
2. label: "Modify" / description: "I want to adjust some steps before saving."
3. label: "Reject" / description: "Abandon this plan and take a different approach."

If the plan exceeds 15 steps, append to the question: " Consider splitting into sub-plans or phasing the work."

Handle each response:

Approve -- move to Step 8. Do NOT stop after approval.
Modify -- ask which steps to change, revise the plan, and re-present with AskUserQuestion again.
Reject -- abandon the plan. Stop here.

Step 8 -- Save and Follow-up

This step has TWO mandatory parts. Do NOT stop after saving.

Part A -- Save the plan:

Create .claude/plans/ if it does not exist.
Write the plan as .claude/plans/YYYY-MM-DD-<descriptive-name>-plan.md (use date '+%Y-%m-%d' for the date prefix).
Verify: Read the file back and confirm it was written correctly.

Part B -- Present follow-up options:

Immediately after saving, call AskUserQuestion with these exact parameters:

question: "Plan saved to .claude/plans/{filename}. What would you like to do next?"
header: "Next step"
multiSelect: false
options:
1. label: "Start implementation" / description: "Invoke the work skill and execute the plan step by step in the current context."
2. label: "Refine plan" / description: "Re-enter Step 5 to adjust steps, scope, or details."
3. label: "Save and revisit later" / description: "Stop here. The plan is saved on disk for later."

You MUST call the AskUserQuestion tool -- do not skip it, do not present follow-up options as plain text.