[Sync] llm stuff

common/.config/claude/StatusBar.md

@@ -8,7 +8,7 @@ resize), trailing (lowest-priority) segments are dropped from the right until it
 Wide — everything:
 
 ```
-📁 ~/.dots │ 🌿 .dots main* │ 🤖 Fable 5 (1M) · xhigh │ 📝 84% (843k) │ 📊 34% 2h54m │ 💰 $0.40 $12.00/h │ 💾 81%
+📁 ~/.dots │ 🌿 .dots main* │ 🤖 Fable 5 (1M) · xhigh │ 📝 84% (843k) │ 📊 34% 2h54m │ 💰 $0.40 $12.00/h │ ♻️ 91% 1h │ 💾 81%
 ```
 
 Narrow — trailing segments trimmed:
@@ -29,9 +29,10 @@ is supplementary to the main colored value.
 | 📁 | **Directory** | Current working dir, with `~` for home | cyan |
 | 🌿 | **Git** | `repo branch` + `*` if dirty + `↑N`/`↓N` ahead/behind upstream | repo = magenta; branch = green when clean, yellow + red `*` when dirty; `↑` cyan, `↓` yellow. Omitted outside a repo |
 | 🤖 | **Model** | Active model display name + `· effort` level (`low`/`medium`/`high`/`xhigh`) | name = blue, effort = light gray; effort omitted for models without the param |
-| 📝 | **Context** | `% of context window used` + `(Nk)` tokens | window comes from the payload's `context_window.context_window_size`, falling back to `(1M …)` in the display name, else 200k — **not** from `model.id`, which arrives with any `[1m]` suffix already stripped. Adds a red **⚠compact** at ≥80% |
+| 📝 | **Context** | `% of context window used` + `(Nk)` tokens | usage comes from the payload's `context_window` (`used_percentage` + `current_usage`, Claude Code 2.1.x); the transcript's last `message.usage` is only a fallback. Window from `context_window.context_window_size`, then `(1M …)` in the display name, else 200k — **not** from `model.id`, which arrives with any `[1m]` suffix already stripped. Adds a red **⚠compact** at ≥80% |
 | 📊 | **5h usage** | `% of the 5-hour rolling limit used` + time until it resets | from `rate_limits.five_hour`; Pro/Max only, and absent until the first API response of a session |
 | 💰 | **Cost** | `$` session cost so far + `$/h` burn rate | burn rate shown once the session exceeds ~30s |
+| ♻️ | **Prompt cache** | hit `%` (higher is better) + cache TTL (`5m` / `1h`), yellow `·cold` once it has expired | from the payload's `prompt_cache` (2.1.260+: `hit_ratio` 0–1, `ttl`, `warm`); computed from usage on older payloads. A `1h` TTL is what keeps a 10-min `/pr-loop` cadence warm |
 | 💾 | **Disk** | `% used` of the filesystem at the cwd | from `statvfs` |
 
 ## Colour legend
@@ -43,6 +44,7 @@ attention. Light gray = secondary detail. Thresholds (`green < … < yellow <
 |---|---|---|---|
 | Context | `< 50%` | `50–80%` | `≥ 80%` (⚠compact) |
 | 5h usage | `< 50%` | `50–80%` | `≥ 80%` |
+| Prompt cache (inverted) | `≥ 80%` | `50–80%` | `< 50%` |
 | Disk | `< 75%` | `75–90%` | `≥ 90%` |
 
 > Light gray is `\033[37m`; dimming (`\033[2m`) is disabled because it blended the gray
@@ -64,7 +66,6 @@ events, so system metrics sat visibly stale between turns — the tmux status ba
 | 🖥️ | `cpu_segment` | `% busy` (diffed `/proc/stat` snapshot) + loadavg + cores (green `<60%` / red `≥85%`) |
 | 🌡️ | `temp_segment` | hottest CPU thermal zone °C (green `<60` / red `≥80`) |
 | ✏️ | `velocity_segment` | `+added/-removed` lines this session + lines/min |
-| ♻️ | `cache_segment` | prompt-cache hit % (higher is better) |
 | ⚙️ | `api_segment` | share of wall-clock time spent in API/inference |
 | | `version_segment` | Claude Code version (`vX.Y.Z`) |
 | 🎨 | `style_segment` | active output-style name |