End-of-session: statusline + session-start integration, docs update

- context: claude-profile-modes updated to reflect current state (statusline
  and session-start auto-select done; next step is real launch test)
- FUTURE.md: remove two completed items (status-line, CLAUDE.md picker)
- README: add missing scripts (check-skills, gen-secret, mp3-to-mp4,
  split-wezterm, sync-repos) to scripts table
- session log 2026-04-12.003747.md

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

README.md

@@ -14,9 +14,14 @@ This project uses **spec-driven development** (OpenSpec) as a testbed for agent-
 
 | Script | Purpose | Status |
 |--------|---------|--------|
+| `check-skills` | Verify Claude Code skill symlinks match source repo | Done |
+| `claude-profile` | Claude Code profile + engagement-mode launcher | Done |
+| `gen-secret` | Generate bash/YAML/JSON-safe random strings | Done |
 | `git-status-report` | Recursive git repo status with diff stats | Done |
 | `md-to-docx` | Markdown to DOCX conversion | Done |
-| `claude-profile` | Claude Code profile + engagement-mode launcher | Done |
+| `mp3-to-mp4` | Convert MP3 to MP4 with a static title card | Done |
+| `split-wezterm` | Split WezTerm pane into a rows × cols grid | Done |
+| `sync-repos` | Mirror git repos across remotes | Done |
 | `unreflected-logs` | Scan projects for unreflected session logs | Done |
 | `validate-skill` | Validate SKILL.md files against known Claude Code restrictions | Done |