v2.6.2 - TUI brand colors, stability & lockfile fix

What's Changed

Features

• Brand-color the run dashboard (#712) — active phase spinners use brand orange, success states use brand green in the boxed run TUI. Non-truecolor terminals auto-downsample; NO_COLOR still strips.
• /release README "What's new" freshness gate (#707) — warn-only Step 4.66 flags a stale What's new in <minor> heading before release.

Bug Fixes

• Stop perf-buffer leak & react to terminal resize (#718) — fixes MaxPerformanceEntryBufferExceededWarning and width corruption on resize in the run TUI.
• Corrupt package-lock.json on main (#720) — regenerated the lockfile after PR #716 committed 9 unresolved git-stash conflict blocks that broke npm ci from a fresh clone.
• .claude/.local skill overrides now functional (#711) — runtime overlay loads overrides.md; survives update/sync.
• Pre-flight skill check is content-aware (#713) — warns on in-place content drift at a matching version, not just version mismatch.
• Non-interactive update path (#709) — adds --yes/-y, replaces the ExitPromptError crash with a clean guarded exit.
• Content-truth for update/sync (#708) — fixes false "up to date" and silent loss of in-place customizations.

Full Changelog: v2.6.1...v2.6.2