Add "Feature Flag Audit and Cleanup Agent" check

[continue]

Adds the Feature Flag Audit and Cleanup Agent check to this repository.

This check will be synced from .continue/checks/feature-flag-audit-and-cleanup-agent.md and can be customized by editing the file directly.

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Opened via Continue Hub

Summary by Sourcery

Add a configurable Feature Flag Audit and Cleanup Agent check for PostHog feature flags to the repository.

New Features:

• Introduce a Feature Flag Audit and Cleanup Agent check definition synced from the .continue configuration.

Documentation:

• Document the agent’s purpose, triage criteria, GitHub issue and audit templates, commit message format, and scheduling/success metrics for feature flag maintenance.

[sourcery-ai]

Reviewer's Guide

Adds a new Continue AI check configuration for a "Feature Flag Audit and Cleanup Agent" that audits PostHog feature flags, classifies them, and generates standardized GitHub issues and summaries for cleanup work.

Flow diagram for feature flag triage decision tree

flowchart TD
  A[100% rollout for 90+ days?]
  A -->|Yes| B[Ready for Removal]
  A -->|No| C[Modified in last 120 days?]

  C -->|No| D[Rollout <50%?]
  D -->|Yes| E[Stale Experimental]

  C -->|Yes| F[5+ targeting rules?]
  F -->|Yes| G[Complex Targeting]
  F -->|No| H[Performance issues?]

  H -->|Yes| I[Performance Impact]
  H -->|No| J[No code refs?]
  J -->|Yes| K[Cleanup Required]

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File-Level Changes

Change	Details	Files
Introduce a new Feature Flag Audit and Cleanup Agent check configuration for Continue/PostHog.	Define a check named "Feature Flag Audit and Cleanup Agent" that uses built-in and posthog/posthog-mcp tools. Document multi-phase execution steps for discovering feature flags, classifying them based on lifecycle and risk, and creating GitHub issues via the gh CLI. Provide structured templates for individual flag issues, overall audit summaries, and commit messages to standardize flag cleanup work. Specify the mapping and purpose of PostHog MCP tools, required GitHub labels, audit cadence, and success metrics for ongoing feature-flag hygiene.	.continue/checks/feature-flag-audit-and-cleanup-agent.md

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[sourcery-ai]

Hey - I've left some high level feedback:

• The label placeholder [priority] in the gh issue create command doesn’t match the concrete labels listed later (high-priority, medium-priority); consider standardizing the exact label names to avoid inconsistent labeling by the agent.
• In the "PostHog MCP Tools" section, the tool names are listed without the mcp__posthog__ prefix used in the execution steps; aligning these names (or explicitly clarifying the mapping) would make it easier to implement the agent correctly.

Prompt for AI Agents

Please address the comments from this code review:

## Overall Comments
- The label placeholder `[priority]` in the `gh issue create` command doesn’t match the concrete labels listed later (`high-priority`, `medium-priority`); consider standardizing the exact label names to avoid inconsistent labeling by the agent.
- In the "PostHog MCP Tools" section, the tool names are listed without the `mcp__posthog__` prefix used in the execution steps; aligning these names (or explicitly clarifying the mapping) would make it easier to implement the agent correctly.

Fix all in Cursor

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