Personal: redesigned usage screen (live clock + 7-day history)

daemon/claude_usage_daemon.py

@@ -271,6 +271,56 @@ async def discover_target(skip_addr: str | None = None):
     return address
 
 
+CLAUDE_PROJECTS = Path.home() / ".claude" / "projects"
+
+
+def seven_day_usage() -> list:
+    """Total tokens per local day for the last 7 days, normalized 0-100
+    (busiest day = 100). Index 6 = today. Parsed from Claude Code's local
+    JSONL logs under ~/.claude/projects. Returns [0]*7 on any failure."""
+    import datetime
+    today = datetime.date.today()
+    idx = {(today - datetime.timedelta(days=6 - i)).isoformat(): i for i in range(7)}
+    totals = [0] * 7
+    cutoff = time.time() - 8 * 86400
+    try:
+        for f in CLAUDE_PROJECTS.rglob("*.jsonl"):
+            try:
+                if f.stat().st_mtime < cutoff:
+                    continue
+            except OSError:
+                continue
+            with f.open(errors="ignore") as fh:
+                for line in fh:
+                    if '"usage"' not in line:
+                        continue
+                    try:
+                        rec = json.loads(line)
+                    except ValueError:
+                        continue
+                    ts = rec.get("timestamp")
+                    usage = (rec.get("message") or {}).get("usage")
+                    if not ts or not usage:
+                        continue
+                    try:
+                        day = datetime.datetime.fromisoformat(
+                            ts.replace("Z", "+00:00")).astimezone().date().isoformat()
+                    except ValueError:
+                        continue
+                    i = idx.get(day)
+                    if i is None:
+                        continue
+                    totals[i] += (usage.get("input_tokens", 0)
+                                  + usage.get("output_tokens", 0)
+                                  + usage.get("cache_creation_input_tokens", 0)
+                                  + usage.get("cache_read_input_tokens", 0))
+    except Exception as e:
+        log(f"7-day scan failed: {e}")
+        return [0] * 7
+    mx = max(totals) or 1
+    return [round(t * 100 / mx) for t in totals]
+
+
 async def poll_api(token: str) -> dict | None:
     headers = dict(API_HEADERS_TEMPLATE)
     headers["Authorization"] = f"Bearer {token}"
@@ -311,6 +361,8 @@ def pct(util: str) -> int:
         "st": hdr("anthropic-ratelimit-unified-5h-status", "unknown"),
         "ok": True,
     }
+    payload["t"] = time.strftime("%H:%M:%S", time.localtime())  # seconds → device anchors minute flip correctly
+    payload["d7"] = seven_day_usage()
     return payload
 
 

firmware/src/boards/waveshare_lcd_183/board.h

@@ -46,5 +46,5 @@
 #define BOARD_HAS_SECONDARY_BUTTON 0
 #define BOARD_HAS_ROTATION         0
 #define BOARD_HAS_IMU              1
-#define BOARD_HAS_BATTERY          1
+#define BOARD_HAS_BATTERY          0
 #define BOARD_HAS_IO_EXPANDER      0

firmware/src/boards/waveshare_lcd_183/caps.cpp

@@ -7,7 +7,7 @@ static const BoardCaps caps = {
     .height = LCD_HEIGHT,
     .button_count = 1,
     .has_rotation = false,
-    .has_battery = true,
+    .has_battery = false,   // "Without BAT" SKU — PMU populated, no cell. Set true if you add one.
     .has_imu = true,
 };
 

firmware/src/data.h

@@ -7,6 +7,8 @@ struct UsageData {
     float weekly_pct;        // 7-day window utilization (0-100)
     int weekly_reset_mins;   // minutes until weekly resets
     char status[16];         // "allowed" or "limited"
+    char clock[9];           // "HH:MM:SS" host wall-clock (from daemon), or "" if absent
+    uint8_t day7[7];         // last 7 days usage, 0-100 normalized (index 6 = today)
     bool ok;                 // data parse succeeded
     bool valid;              // false until first successful parse
 };