feat(claude): enrich statusline with resets and diffs

- Append rate-limit reset countdowns next to 5h/7d bars
- Show effort level after model name (e.g. Opus·xhigh)
- Display session lines added/removed in git-diff colors
- Shrink bar width to 6 so the line fits in vsplit panes

Author: mhiro2

.claude/statusline.py

@@ -2,6 +2,7 @@
 
 import json
 import sys
+import time
 
 if sys.platform == "win32":
     sys.stdout.reconfigure(encoding="utf-8")
@@ -11,6 +12,8 @@
 BLOCKS = " ▏▎▍▌▋▊▉█"
 R = "\033[0m"
 DIM = "\033[2m"
+GREEN = "\033[38;2;100;200;120m"
+RED = "\033[38;2;230;110;110m"
 
 
 def gradient(pct):
@@ -22,7 +25,7 @@ def gradient(pct):
         return f"\033[38;2;255;{max(g, 0)};60m"
 
 
-def bar(pct, width=10):
+def bar(pct, width=6):
     pct = min(max(pct, 0), 100)
     filled = pct * width / 100
     full = int(filled)
@@ -34,24 +37,54 @@ def bar(pct, width=10):
     return b
 
 
-def fmt(label, pct):
+def fmt_reset(resets_at):
+    if not resets_at:
+        return ""
+    secs = int(resets_at - time.time())
+    if secs <= 0:
+        return ""
+    if secs < 3600:
+        return f"{secs // 60}m"
+    if secs < 86400:
+        h, m = divmod(secs, 3600)
+        m //= 60
+        return f"{h}h{m}m" if m else f"{h}h"
+    d, h = divmod(secs, 86400)
+    h //= 3600
+    return f"{d}d{h}h" if h else f"{d}d"
+
+
+def fmt(label, pct, reset=""):
     p = round(pct)
-    return f"{label} {gradient(pct)}{bar(pct)} {p}%{R}"
+    s = f"{label} {gradient(pct)}{bar(pct)} {p}%{R}"
+    if reset:
+        s += f" {DIM}{reset}{R}"
+    return s
 
 
 model = data.get("model", {}).get("display_name", "Claude")
+effort = data.get("effort", {}).get("level")
+if effort:
+    model = f"{model}{DIM}·{effort}{R}"
 parts = [model]
 
 ctx = data.get("context_window", {}).get("used_percentage")
 if ctx is not None:
     parts.append(fmt("ctx", ctx))
 
-five = data.get("rate_limits", {}).get("five_hour", {}).get("used_percentage")
-if five is not None:
-    parts.append(fmt("5h", five))
+rl = data.get("rate_limits", {})
+five = rl.get("five_hour", {})
+if five.get("used_percentage") is not None:
+    parts.append(fmt("5h", five["used_percentage"], fmt_reset(five.get("resets_at"))))
 
-week = data.get("rate_limits", {}).get("seven_day", {}).get("used_percentage")
-if week is not None:
-    parts.append(fmt("7d", week))
+week = rl.get("seven_day", {})
+if week.get("used_percentage") is not None:
+    parts.append(fmt("7d", week["used_percentage"], fmt_reset(week.get("resets_at"))))
+
+cost = data.get("cost", {})
+added = cost.get("total_lines_added", 0) or 0
+removed = cost.get("total_lines_removed", 0) or 0
+if added or removed:
+    parts.append(f"{GREEN}+{added}{R} {RED}-{removed}{R}")
 
 print(f"{DIM}│{R}".join(f" {p} " for p in parts), end="")