feat(stats): add v1 immersion stats dashboard (#19)

docs-site/public/config.example.jsonc

@@ -319,6 +319,7 @@
       "SubMiner"
     ], // Tags to add to cards mined or updated by SubMiner. Provide an empty array to disable automatic tagging.
     "fields": {
+      "word": "Expression", // Card field for the mined word or expression text.
       "audio": "ExpressionAudio", // Audio setting.
       "image": "Picture", // Image setting.
       "sentence": "Sentence", // Sentence setting.
@@ -339,10 +340,19 @@
       "animatedFps": 10, // Animated fps setting.
       "animatedMaxWidth": 640, // Animated max width setting.
       "animatedCrf": 35, // Animated crf setting.
+      "syncAnimatedImageToWordAudio": true, // For animated AVIF images, prepend a frozen first frame matching the existing word-audio duration so motion starts with sentence audio. Values: true | false
       "audioPadding": 0.5, // Audio padding setting.
       "fallbackDuration": 3, // Fallback duration setting.
       "maxMediaDuration": 30 // Max media duration setting.
     }, // Media setting.
+    "knownWords": {
+      "highlightEnabled": false, // Enable fast local highlighting for words already known in Anki. Values: true | false
+      "refreshMinutes": 1440, // Minutes between known-word cache refreshes.
+      "addMinedWordsImmediately": true, // Immediately append newly mined card words into the known-word cache. Values: true | false
+      "matchMode": "headword", // Known-word matching strategy for subtitle annotations. Values: headword | surface
+      "decks": {}, // Decks and fields for known-word cache. Object mapping deck names to arrays of field names to extract, e.g. { "Kaishi 1.5k": ["Word", "Word Reading"] }.
+      "color": "#a6da95" // Color used for known-word highlights.
+    }, // Known words setting.
     "behavior": {
       "overwriteAudio": true, // Overwrite audio setting. Values: true | false
       "overwriteImage": true, // Overwrite image setting. Values: true | false
@@ -352,13 +362,8 @@
       "autoUpdateNewCards": true // Automatically update newly added cards. Values: true | false
     }, // Behavior setting.
     "nPlusOne": {
-      "highlightEnabled": false, // Enable fast local highlighting for words already known in Anki. Values: true | false
-      "refreshMinutes": 1440, // Minutes between known-word cache refreshes.
-      "matchMode": "headword", // Known-word matching strategy for N+1 highlighting. Values: headword | surface
-      "decks": [], // Decks used for N+1 known-word cache scope. Supports one or more deck names.
       "minSentenceWords": 3, // Minimum sentence word count required for N+1 targeting (default: 3).
-      "nPlusOne": "#c6a0f6", // Color used for the single N+1 target token highlight.
-      "knownWord": "#a6da95" // Color used for legacy known-word highlights.
+      "nPlusOne": "#c6a0f6" // Color used for the single N+1 target token highlight.
     }, // N plus one setting.
     "metadata": {
       "pattern": "[SubMiner] %f (%t)" // Pattern setting.
@@ -496,12 +501,33 @@
     "queueCap": 1000, // In-memory write queue cap before overflow policy applies.
     "payloadCapBytes": 256, // Max JSON payload size per event before truncation.
     "maintenanceIntervalMs": 86400000, // Maintenance cadence (prune + rollup + vacuum checks).
+    "retentionMode": "preset", // Retention mode (`preset` uses preset values, `advanced` uses explicit values). Values: preset | advanced
+    "retentionPreset": "balanced", // Retention preset when `retentionMode` is `preset`. Values: minimal | balanced | deep-history
     "retention": {
-      "eventsDays": 7, // Raw event retention window in days.
-      "telemetryDays": 30, // Telemetry retention window in days.
-      "dailyRollupsDays": 365, // Daily rollup retention window in days.
-      "monthlyRollupsDays": 1825, // Monthly rollup retention window in days.
-      "vacuumIntervalDays": 7 // Minimum days between VACUUM runs.
-    } // Retention setting.
-  } // Enable/disable immersion tracking.
+      "eventsDays": 0, // Raw event retention window in days. Use 0 to keep all.
+      "telemetryDays": 0, // Telemetry retention window in days. Use 0 to keep all.
+      "sessionsDays": 0, // Session retention window in days. Use 0 to keep all.
+      "dailyRollupsDays": 0, // Daily rollup retention window in days. Use 0 to keep all.
+      "monthlyRollupsDays": 0, // Monthly rollup retention window in days. Use 0 to keep all.
+      "vacuumIntervalDays": 0 // Minimum days between VACUUM runs. Use 0 to disable.
+    }, // Retention setting.
+    "lifetimeSummaries": {
+      "global": true, // Maintain global lifetime stats rows. Values: true | false
+      "anime": true, // Maintain per-anime lifetime stats rows. Values: true | false
+      "media": true // Maintain per-media lifetime stats rows. Values: true | false
+    } // Lifetime summaries setting.
+  }, // Enable/disable immersion tracking.
+
+  // ==========================================
+  // Stats Dashboard
+  // Local immersion stats dashboard served on localhost and available as an in-app overlay.
+  // Uses the immersion tracking database for overview, trends, sessions, and vocabulary views.
+  // ==========================================
+  "stats": {
+    "toggleKey": "Backquote", // Key code to toggle the stats overlay.
+    "markWatchedKey": "KeyW", // Key code to mark the current video as watched and advance to the next playlist entry.
+    "serverPort": 6969, // Port for the stats HTTP server.
+    "autoStartServer": true, // Automatically start the stats server on launch. Values: true | false
+    "autoOpenBrowser": true // Automatically open the stats dashboard in a browser when the server starts. Values: true | false
+  } // Local immersion stats dashboard served on localhost and available as an in-app overlay.
 }