docs: add chat summary for inline color popover implementation

Co-authored-by: Cursor <cursoragent@cursor.com>

chat-summaries/2026-08-26_15-55-summary.md

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+# Inline Subreddit Color Popover — Design, Plan & Implementation
+
+**Date:** 2026-08-26
+**Task:** Design, plan, and implement an inline color-override popover for subreddit badges, allowing users to set per-subreddit colors directly on the page.
+
+## Changes Made
+
+### Commits (6bf7935..210676e)
+
+1. **`af7afde`** — feat: mode-aware subreddit color overrides with v1→v2 migration
+   - `lib/settings.js`: migration logic for `subredditColors` schema
+   - `content/tweaks/badges.js`: mode-aware `applyColorsToContainer()`, `data-rt-subreddit` attribute, exported `isDarkMode`/`getColorPrefix`
+
+2. **`1da061f`** — feat: gear icon on subreddit badges and popover CSS
+   - `content/tweaks/badges.js`: gear icon injection in `processPost()`
+   - `content/styles/badges.css`: full replacement with gear styles, popover styles, `filter: brightness()` hover
+
+3. **`4385cc1`** — feat: inline color popover with mode toggle, live preview, and save/reset
+   - `content/tweaks/color-popover.js`: new file — all popover logic
+   - `manifest.json`: added color-popover.js to content scripts
+
+4. **`565f039`** — feat: popup per-subreddit overrides with mode-aware light/dark toggle
+   - `popup/popup.html`, `popup/popup.js`, `popup/popup.css`: mode-aware override UI
+
+5. **`dd92ce8`** — fix: subreddit entry flex layout for stacked mode-aware structure
+   - `popup/popup.css`: `flex-direction: column` on `.subreddit-entry`
+
+6. **`210676e`** — fix: only persist edited/existing mode overrides, refresh popover theme on dark mode toggle
+   - Dirty-mode tracking in popover and popup
+   - Popover theme refresh on dark mode toggle
+   - Popup partial override corruption fix
+
+### Docs
+
+- Design spec: `docs/superpowers/specs/2026-08-26-inline-color-popover-design.md`
+- Implementation plan: `docs/superpowers/plans/2026-08-26-inline-color-popover.md`
+
+## Follow-up
+
+- Manual testing via `about:debugging` against the 20-item test checklist in the spec
+- Known minor items: popover arrow doesn't flip, gear is mouse-only, no async error handling on save/reset