[Sync] Pi chat mode + plan-mode rework, fastfetch icons, Claude statusline, fl KDE shortcuts

Re-export of the private tree at b5580f8 (2026-11-11).

- pi: new chat-mode extension, plan-mode rework, README and settings
  updates, version bump
- fastfetch: Packages/Display/WM/GPU/Memory key icons moved off the legacy
  Nerd Fonts v2 Material range (blank on v3 fonts) to Font Awesome glyphs
- claude: statusline runs git with --no-optional-locks, model default,
  pr-loop skill note, gh sync fix
- fl: kglobalshortcutsrc update

common/.config/claude/skills/pr-loop/SKILL.md

@@ -230,6 +230,10 @@ Current state (auth + the current branch's PR):
      ```
      `COMMENT_NODE_ID` is the `relevantComments[].id` (`IC_…`). Never minimize unpushed work, a
      "needs input" comment, or a summary/status/usage-limit comment.
+   - **Sync the status line** in any cycle where you resolved or minimized something (step 6, or
+     a 👎): `python3 ~/.claude/statusline.py --pr-sync` — one foreground GitHub call that
+     rewrites the branch's cached 💬 count. Without it the bar keeps the count from its last
+     render until something re-renders it, which can be an hour on an idle session.
 
 9. **Draft the commit message — exactly like `/commit-msg`:** from the staged diff and the repo's
    recent `git log` style (this repo uses `[Scope] summary`), write a message that matches. Then: