Tech Debt

Phase 1: Parse Subcommand

Determine the mode from the argument:

• scan — Scan the codebase for tech debt indicators
• add — Add a new tech debt entry manually
• prioritize — Re-prioritize the existing debt register
• report — Generate a summary report of current debt status

If no subcommand is provided, output usage and stop. Verdict: FAIL — missing required subcommand.

Phase 2A: Scan Mode

Search the codebase for debt indicators:

• TODO comments (count and categorize)
• FIXME comments (these are bugs disguised as debt)
• HACK comments (workarounds that need proper solutions)
• @deprecated markers
• Duplicated code blocks (similar patterns in multiple files)
• Files over 500 lines (potential god objects)
• Functions over 50 lines (potential complexity)

Categorize each finding:

• Architecture Debt: Wrong abstractions, missing patterns, coupling issues
• Code Quality Debt: Duplication, complexity, naming, missing types
• Test Debt: Missing tests, flaky tests, untested edge cases
• Documentation Debt: Missing docs, outdated docs, undocumented APIs
• Dependency Debt: Outdated packages, deprecated APIs, version conflicts
• Performance Debt: Known slow paths, unoptimized queries, memory issues

Present the findings to the user.

Ask: "May I write these findings to docs/tech-debt-register.md?"

If yes, update the register (append new entries, do not overwrite existing ones). Verdict: COMPLETE — scan findings written to register.

If no, stop here. Verdict: BLOCKED — user declined write.

Phase 2B: Add Mode

Prompt for: description, category, affected files, estimated fix effort, impact if left unfixed.

Present the new entry to the user.

Ask: "May I append this entry to docs/tech-debt-register.md?"

If yes, append the entry. Verdict: COMPLETE — entry added to register.

If no, stop here. Verdict: BLOCKED — user declined write.

Phase 2C: Prioritize Mode

Read the debt register at docs/tech-debt-register.md.

Score each item by: (impact_if_unfixed × frequency_of_encounter) / fix_effort

Re-sort the register by priority score and recommend which items to include in the next sprint.

Present the re-prioritized register to the user.

Ask: "May I write the re-prioritized register back to docs/tech-debt-register.md?"

If yes, write the updated file. Verdict: COMPLETE — register re-prioritized and saved.

If no, stop here. Verdict: BLOCKED — user declined write.

Phase 2D: Report Mode

Read the debt register. Generate summary statistics:

• Total items by category
• Total estimated fix effort
• Items added vs resolved since last report
• Trending direction (growing / stable / shrinking)

Flag any items that have been in the register for more than 3 sprints.

Output the report to the user. This mode is read-only — no files are written. Verdict: COMPLETE — debt report generated.

Phase 3: Next Steps

• Run /sprint-plan to schedule high-priority debt items into the next sprint.
• Run /tech-debt report at the start of each sprint to track debt trends over time.

Debt Register Format

## Technical Debt Register
Last updated: [Date]
Total items: [N] | Estimated total effort: [T-shirt sizes summed]

| ID | Category | Description | Files | Effort | Impact | Priority | Added | Sprint |
|----|----------|-------------|-------|--------|--------|----------|-------|--------|
| TD-001 | [Cat] | [Description] | [files] | [S/M/L/XL] | [Low/Med/High/Critical] | [Score] | [Date] | [Sprint to fix or "Backlog"] |

Rules

• Tech debt is not inherently bad — it is a tool. The register tracks conscious decisions.
• Every debt entry must explain WHY it was accepted (deadline, prototype, missing info)
• "Scan" should run at least once per sprint to catch new debt
• Items older than 3 sprints without action should either be fixed or consciously accepted with a documented reason

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