feat: measurement workflow improvements and recipe update-in-place

- Auto-advance to next task after completing all subtask measurements
- 1s pause between measurements to show pass/fail/warning result
- Colored marker strip (green/red/amber) based on measurement status
- Replace duplicate measurements instead of appending (fixes progress bar)
- Add Task column and Date/Time column to measurement summary table
- Enrich summary with task_info for each measurement
- Update-in-place for recipe versions without measurements (no copy-on-write)
- Dark theme improvements and navbar cleanup
- Server config: ignore extra env vars

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

client/static/css/themes.css

@@ -38,6 +38,15 @@
 
 /* ---- Dark Theme ---- */
 .dark {
+  --color-primary: #60A5FA;
+  --color-primary-dark: #3B82F6;
+  --color-primary-light: #93C5FD;
+  --color-accent: #93C5FD;
+
+  --color-pass: #34D399;
+  --color-warning: #FBBF24;
+  --color-fail: #F87171;
+
   --bg-primary: #0F172A;
   --bg-secondary: #1E293B;
   --bg-card: #334155;
@@ -48,7 +57,7 @@
   --text-muted: #64748B;
 
   --border-color: #475569;
-  --border-focus: #3B82F6;
+  --border-focus: #60A5FA;
 
   --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
   --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -2px rgba(0, 0, 0, 0.3);
@@ -252,11 +261,22 @@ textarea:focus-visible {
   border-color: var(--color-primary);
 }
 
+.dark .btn-primary {
+  background: #3B82F6;
+  color: #FFFFFF;
+  border-color: #3B82F6;
+}
+
 .btn-primary:hover:not(:disabled) {
   background: var(--color-primary-dark);
   border-color: var(--color-primary-dark);
 }
 
+.dark .btn-primary:hover:not(:disabled) {
+  background: #2563EB;
+  border-color: #2563EB;
+}
+
 .btn-secondary {
   background: transparent;
   color: var(--text-secondary);