feat: design system overhaul — sidebar, AI chats, settings, brainstorm, color cleanup

- Sidebar: dynamic brand-accent colors, brainstorm section restyled
- AI chat general: popup panel with expand/collapse, hides when contextual AI open
- AI chat contextual: tabs reordered (Actions first), X close button, height fix
- Settings: all tabs restyled, 6 new color presets (sage, terracotta, iron, etc.)
- Global color cleanup: emerald/orange hardcoded → brand-accent dynamic
- Brainstorm page: orange → brand-accent throughout
- PageEntry animation component added to key pages
- Floating AI button: bg-brand-accent instead of hardcoded black
- i18n: all 15 locales updated with new AI/billing keys
- Billing: freemium quota tracking, BYOK, stripe subscription scaffolding
- Admin: integrated into new design
- AGENTS.md + CLAUDE.md project rules added

.agents/skills/suno-agent-band-manager/scripts/check-memory-health.py

@@ -0,0 +1,84 @@
+#!/usr/bin/env python3
+# /// script
+# requires-python = ">=3.10"
+# dependencies = []
+# ///
+"""Checks memory file sizes and recommends maintenance.
+
+Usage:
+    python3 scripts/check-memory-health.py <sidecar-path> [-o OUTPUT]
+    python3 scripts/check-memory-health.py --help
+
+Arguments:
+    sidecar-path    Path to the sidecar memory directory
+
+Options:
+    -o, --output    Write JSON output to file instead of stdout
+"""
+
+import argparse
+import json
+import sys
+from pathlib import Path
+
+# Thresholds in characters
+THRESHOLDS = {
+    "index.md": 3000,
+    "patterns.md": 5000,
+    "chronology.md": 8000,
+}
+
+
+def check_health(sidecar_path: Path) -> dict:
+    """Check memory file sizes and flag maintenance needs."""
+    files = {}
+    needs_pruning = []
+
+    for name, threshold in THRESHOLDS.items():
+        file_path = sidecar_path / name
+        if file_path.exists():
+            size = len(file_path.read_text())
+            files[name] = {"size_chars": size, "threshold": threshold, "over_threshold": size > threshold}
+            if size > threshold:
+                needs_pruning.append(name)
+        else:
+            files[name] = {"exists": False}
+
+    return {
+        "sidecar_path": str(sidecar_path),
+        "files": files,
+        "needs_pruning": needs_pruning,
+        "maintenance_recommended": len(needs_pruning) > 0,
+        "recommendation": (
+            f"Files exceeding size thresholds: {', '.join(needs_pruning)}. "
+            "Consider condensing verbose entries and archiving old content."
+            if needs_pruning
+            else "Memory files are within healthy size limits."
+        ),
+    }
+
+
+def main():
+    parser = argparse.ArgumentParser(description="Check memory file health")
+    parser.add_argument("sidecar_path", help="Path to sidecar memory directory")
+    parser.add_argument("-o", "--output", help="Output file path")
+    args = parser.parse_args()
+
+    sidecar = Path(args.sidecar_path)
+    if not sidecar.exists():
+        result = {"error": True, "message": f"Sidecar directory not found: {sidecar}"}
+    else:
+        result = check_health(sidecar)
+
+    output = json.dumps(result, indent=2)
+
+    if args.output:
+        Path(args.output).write_text(output)
+        print(f"Results written to {args.output}", file=sys.stderr)
+    else:
+        print(output)
+
+
+if __name__ == "__main__":
+    main()
+    sys.exit(0)