[P0] green lock evidence regen (CLI audit P0-3)

docs/customization/themes.md

@@ -39,7 +39,7 @@ For reference — these are the colours the demo recording on the
 | Role | Colour |
 |------|--------|
 | Selection accent (`>` caret + focused label; focused composer `>`) | `#1F4945` |
-| Background | terminal default (`Color::Reset` — never painted) |
+| Background | `#000000` (painted alternate-screen void) |
 | Charcoal panel (tips / info) | `#141414` |
 | Past user turn bar | `#1C1C1C` |
 | Selection bar | `#262626` (focused green glyphs have a `#F5F5F5` backing for contrast; descriptions stay dim) |
@@ -51,7 +51,7 @@ For reference — these are the colours the demo recording on the
 | Success `✓` and diff additions `+N` | `#4ADE80` (bright semantic green) |
 | Warning (`warn` in diagnostics) | `#FFC857` |
 | Error (`error`, `× Stopped`, quota, failed MCP `x`) | `#F87171` |
-| Thinking status | `#C9A95C` (the only gold) |
+| Thinking status | `#6B7280` (dim session chrome; gold `#C9A95C` is retired) |
 
 The footer is gray: the model on the left (`Cortex Mini 1 · Agent · 92%
 context`), one shortcut hint on the right (`shift+tab to cycle modes`).

docs/media/tui-lock-v2/runtime/README.md

@@ -2,7 +2,8 @@
 
 Headless `MockTerminal` renders of the live session chrome (inky background,
 dual-hairline composer, model chip, slash palette, settings modal, effort
-radios). Regenerated with `./scripts/render-tui-lock-v2.sh`.
+radios). Regenerated with `./scripts/render-tui-lock-v2.sh`. The signed accent
+is banner green `#1F4945`; historical violet `#A78BFA` is not the lock.
 
 Designer boards (pixel target) live in `docs/media/tui-lock-v2/{40x12,120x40}/`.
 These runtime frames are what Designer cli signs off against.