Perform a high-level flow audit of an implementation plan, analyzing phase-to-phase dependencies, data flow consistency, ordering logic, stale artifacts, and risk assessment. Use when asked to 'audit the plan', 'check plan flow', 'review plan dependencies', 'find plan discrepancies', or 'assess plan coherence'. Do NOT use for per-phase template compliance (use /review-plan) or creating plans (use /create-plan).
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Perform a high-level flow audit of an implementation plan, analyzing phase-to-phase dependencies, data flow consistency, ordering logic, stale artifacts, and risk assessment. Use when asked to 'audit the plan', 'check plan flow', 'review plan dependencies', 'find plan discrepancies', or 'assess plan coherence'. Do NOT use for per-phase template compliance (use /review-plan) or creating plans (use /create-plan).
Arguments are provided above via $ARGUMENTS. Parse them to determine the plan folder path (e.g., plans/detector-refactor). Do NOT ask the user to re-provide the path.
This skill performs a holistic flow audit of a multi-phase implementation plan. It assesses whether phases connect coherently as a pipeline — NOT whether individual phases comply with templates (that's /review-plan's job).
Critical
Do NOT modify plan files, phase files, or codebase files — this skill only writes the audit report
Read ALL phase files, not just a sample — the value of this audit is completeness
Ground findings in actual codebase files, not just plan documents
When you claim a phase targets a file that doesn't exist, verify with Glob first
Distinguish between intentional design choices and actual discrepancies
Task Tracking
Tasks survive context compacts — skipping this check causes lost progress and repeated work.
Before starting work, run TaskList to check if tasks already exist from a previous session or before a compact. If tasks exist:
Read existing tasks with TaskGet for each task ID
Find the first task with status pending or in_progress
Resume from that task — do NOT recreate the task list
If no tasks exist, create them after reading the master plan (Step 1):
Example task list:
Task 1: Read the master plan
Task 2: Read all phase files and extract metadata
Task 3: Build dependency graph
Task 4: Assess data flow consistency
Task 5: Evaluate phase ordering
Task 6: Identify stale artifacts
Task 7: Cross-check "Done" phases against codebase
Task 8: Assess risk for pending phases
Task 9: Write audit report
Task 10: Return summary
Mark each task in_progress when starting and completed when done.
Why This Audit Exists
/review-plan checks individual files. This audit checks the connections between them. Problems that only appear at the whole-plan level:
Problem
How It Manifests
Cost If Missed
Circular dependencies
Phase A waits for B, B waits for A — deadlock
Implementation stalls, requires plan restructuring
Missing dependencies
Phase 5 uses a table from Phase 3 but doesn't declare it
Phase 5 fails at runtime, debugging time wasted
Wrong ordering
Consumer phase runs before its data producer
Code compiles but crashes, phase must be re-sequenced
Stale artifacts
plan.md says "Done" but phase file says "Pending"
/implement picks the wrong next phase
"Done" phase not actually done
Phase marked complete but deliverables missing from codebase
Downstream phases build on a false foundation
The audit report feeds into /implement — it checks the plan review verdict before building. A flow audit catches structural problems that per-phase reviews cannot see.
Output Location
The flow audit report goes in the reviews/planning/ subfolder alongside per-phase reviews:
Create the reviews/planning/ directory if it doesn't exist.
Note: Per-phase template/codebase reviews go in the same folder — see /review-plan. Code/implementation reviews go in reviews/code/ — see /code-review.
Step 1: Read the Master Plan
Read {plan-folder}/plan.md completely. Extract:
Phase table — all phases with titles, status, and any noted issues
ADRs / Decision Log — decisions that constrain phase design
Critical Issues section — known problems already documented
Architectural North Star — patterns all phases must follow
Note any phases marked as deprecated, renumbered, or amended.
Step 2: Read All Phase Files
Use Glob to find all phase files: {plan-folder}/phase-*.md
For EACH phase file, extract from the frontmatter and overview:
Field
Where to Find
Phase number
Filename phase-NN-*
Title
Frontmatter title:
Status
Frontmatter status:
Dependencies
Frontmatter dependencies:
What it produces
Overview section
What it consumes
"How This Phase Fits" or "Prerequisites" sections
Key files it targets
Implementation steps (file paths mentioned)
Build a mental model of the full dependency graph as you read.
Placeholder Check
Run the placeholder validator across all phase files to catch skeleton content early:
echo'{"cwd":"."}' | uv run $CLAUDE_PROJECT_DIR/.claude/hooks/validators/validate_no_placeholders.py \
--directory {plan-folder} --extension .md
If the validator exits non-zero, flag any placeholder-containing phases as stale artifacts in the report (Step 6). Phases with [To be detailed], TBD, or other skeleton markers cannot be meaningfully audited for flow.
Step 3: Build Dependency Graph
From the data collected in Step 2, construct the full dependency graph.
Implicit dependencies (phase references data/files/services created by another phase but doesn't declare it)
What downstream phases depend on it
Check for:
Issue Type
How to Detect
Circular dependencies
Phase A depends on B, B depends on A (directly or transitively)
Missing dependencies
Phase X uses output from Phase Y but doesn't list Y in dependencies
Unnecessary dependencies
Phase X lists Phase Y but doesn't actually use any of Y's output
Orphaned phases
Phase exists but no other phase depends on it AND it doesn't depend on anything
Dependency on deprecated phase
A phase depends on a phase marked status: deprecated
Step 4: Assess Data Flow Consistency
Trace how data flows through the plan pipeline. For plans involving data transformations (API -> storage -> consumption), check:
Source consistency — Do all phases agree on where data comes from?
Schema consistency — Do phases that share data structures use the same types/interfaces?
Pattern consistency — Is there one architectural pattern or do different phases use contradictory approaches?
Example: Some phases have components query the database directly while others expect data passed via context/props
Table/entity naming — Do all phases reference the same table names consistently?
File path consistency — Do phases reference files that actually exist at those paths?
Verify against codebase: For key files referenced by "Done" phases, use Glob to check they exist. For critical claims (e.g., "Phase 11 updated the orchestrator to load summary data"), read the actual file to confirm.
Step 5: Evaluate Phase Ordering
Assess whether the current phase sequence makes logical sense:
Infrastructure before consumers — Are foundational phases (schemas, services, APIs) ordered before phases that use them?
Producers before consumers — Does the phase that creates data run before phases that read it?
Refactoring order — For refactoring plans, is the new system built before the old system is deprecated/removed?
Test timing — Are testing phases positioned to test code that already exists?
Cleanup last — Are deprecation, migration, and drop phases at the end?
Flag ordering issues like:
A consumer phase runs before its data producer
A centralized service is created AFTER the things that should use it
Tests are written before the code they test exists
Cleanup runs before all references are migrated
Step 6: Identify Stale Artifacts
Check for:
Artifact
How to Find
Deprecated phase files
status: deprecated in frontmatter but file still exists
Duplicate phase numbers
Multiple files with same phase-NN- prefix
Broken inter-phase links
[[phase-XX]] or [Phase XX](./phase-XX-*) links that point to non-existent files
Renumbered but not updated
Phase file title says "Phase 17" but filename says phase-18-*
Phase table mismatches
plan.md phase table lists a phase title/file that doesn't match the actual file
Step 7: Cross-Check "Done" Phases Against Codebase
For phases marked as "Done", spot-check 2-3 key claims against the actual codebase:
Pick 2-3 "Done" phases that make testable claims (e.g., "created table X", "updated file Y", "added field Z to interface")
Use Glob/Grep to verify the claim holds in the codebase
Check if {plan-folder}/reviews/code/phase-{NN}.md exists for each "Done" phase — a passing code review verdict is stronger evidence than file existence alone
Flag any "Done" phases whose deliverables can't be found
This prevents the plan from proceeding on a false foundation.
Step 8: Assess Risk for Pending Phases
For each pending phase, evaluate risk based on:
Risk Factor
High Risk
Low Risk
Dependencies
Depends on phases with known issues
Dependencies are clean and verified
File targets
References files that don't exist or are uncertain
Targets well-known, stable files
Scope
Touches many files across many directories
Focused on 1-2 files
Pattern clarity
Introduces new patterns not seen in codebase
Follows established patterns from "Done" phases
Blocking
Many downstream phases depend on it
Few or no downstream dependencies
Step 9: Write Audit Report
Write the report to: {plan-folder}/reviews/planning/flow-audit.md
Create the reviews/planning/ directory if it doesn't exist.
If the report already exists (re-auditing after fixes), Read the existing file first — the Write tool silently fails on existing files without a prior Read. A re-audit should fully overwrite the previous report since the value is a fresh holistic view, not incremental updates.
Report Structure
# Flow Audit: {Plan Title}**Audited:** {date}
**Phases reviewed:** {count} ({done count} Done, {pending count} Pending, {deprecated count} Deprecated)
**Overall Assessment:** {Coherent | Minor Issues | Significant Issues | Major Restructuring Needed}
---
## 1. Dependency Graph
{Visual or textual representation. Use indentation to show dependency chains.}
### Dependency Issues
| # | Issue | Phases Affected | Severity | Suggested Fix |
|---|-------|----------------|----------|---------------|
| 1 | ... | P05, P12 | High | ... |
---
## 2. Data Flow Analysis### Architecture Pattern(s)
{Describe the data flow pattern(s) used across the plan}
### Inconsistencies
| # | Issue | Phases Affected | Details |
|---|-------|----------------|---------|
| 1 | ... | ... | ... |
---
## 3. Phase Ordering Assessment### Current Order
{List phases in order with one-line description}
### Ordering Issues
| # | Issue | Current Order | Suggested Order | Rationale |
|---|-------|--------------|-----------------|-----------|
| 1 | ... | P12 after P11 | P12 before P11 | Loader should exist before orchestrator uses it |
---
## 4. Stale Artifacts
| # | Artifact | Type | Location | Action Needed |
|---|----------|------|----------|---------------|
| 1 | ... | Deprecated file | phase-17-unit-tests-update.md | Delete or archive |
---
## 5. "Done" Phase Verification
| Phase | Claim Checked | Verified? | Notes |
|-------|--------------|-----------|-------|
| P01 | Summary table created | Yes/No | ... |
| P11 | Orchestrator loads summaries | Yes/No | ... |
---
## 6. Risk Assessment (Pending Phases)
| Phase | Risk | Key Risk Factors | Recommendation |
|-------|------|-----------------|----------------|
| P12 | High | Depends on P11 which may have ordering issues | Review dependency direction |
| P14 | Medium | Modifies Edge Function with complex existing logic | Read function before implementing |
---
## 7. Recommendations (Priority Order)1.**[Critical]** {Description} — Fix before continuing implementation
2.**[High]** {Description} — Fix before implementing affected phases
3.**[Medium]** {Description} — Fix for plan hygiene
4.**[Low]** {Description} — Nice to have
Step 10: Return Summary
After writing the report, return to the main agent:
Report location — file path
Overall assessment — one-line verdict
Critical/High issues count — how many need attention before implementation continues
Top 3 findings — the most impactful discoveries
Recommendation — whether to proceed, fix first, or restructure
Resuming After Context Compact
If you notice context was compacted or you're unsure of current progress:
Run TaskList to see all tasks and their status
Find the in_progress task — that's where you were
Run TaskGet {id} on that task to read full details
Continue from that task — don't restart from the beginning
Tasks persist across compacts. The task list is your source of truth for progress, not your memory.
Pattern for every work session:
TaskList → find in_progress or first pending → TaskGet → continue work → TaskUpdate (completed) → next task
Constraints
Source files are read-only — do NOT modify plan files, phase files, or codebase files. The only file you write is the audit report at {plan-folder}/reviews/planning/flow-audit.md
All phases — read every phase file, not just a sample
Codebase grounding — verify at least 2-3 "Done" phase claims against actual code. Use file paths from the phases themselves (implementation steps list target files)
No template checking — that's /review-plan's job. Focus on flow, not format
Severity calibration — only mark issues as Critical if they would cause implementation failure. Use High for likely problems, Medium for hygiene issues, Low for suggestions
Pipeline awareness — /implement checks the plan review verdict before building. Your audit report influences whether implementation proceeds or blocks
Troubleshooting
Too Many Phase Files
Symptom: Plan has 30+ phases and reading all of them is slow.
Fix: Read frontmatter + overview section only (first 60 lines) for initial pass. Deep-read only phases flagged as problematic during the dependency/flow analysis.
Plan Has No Dependency Metadata
Symptom: Phase files don't have dependencies: in frontmatter.
Fix: Infer dependencies from content — look for "requires Phase X", "uses table from Phase Y", "after Phase Z is complete" in the overview and prerequisites sections. Flag the missing metadata as a stale artifact.
"Done" Phase Can't Be Verified
Symptom: Phase claims to have modified a file but Glob/Grep can't confirm.
Fix: Don't assume the phase wasn't implemented — the file might have been refactored or renamed since. Check git history if available, or note as "Unverifiable" rather than "Not Done."
