replace Redis with an embedded SQLite string->string KV store (group commit, in-tx events, SQL search)

internal/watchers/handlers.go

@@ -227,9 +227,9 @@ func (h *Handlers) handleResetAll(w http.ResponseWriter, r *http.Request) {
 	}
 
 	writeJSON(w, http.StatusOK, map[string]interface{}{
-		"status":           "ok",
-		"message":          "All watchers reset",
-		"totalFiles":       totalCount,
+		"status":            "ok",
+		"message":           "All watchers reset",
+		"totalFiles":        totalCount,
 		"republishedEvents": republishedCount,
 	})
 }

internal/watchers/poller.go

@@ -74,7 +74,7 @@ func (p *Poller) Start() error {
 	// consumer state without buying anything. The historical reason for
 	// wiping — "in-memory state is empty, all files re-emit as add" —
 	// stopped being true when HydrateStateFromStorage landed: state is
-	// hydrated from Redis before this runs, so a startup EmitReset would
+	// hydrated from the store before this runs, so a startup EmitReset would
 	// tell consumers to throw out their world without sending the
 	// re-emission they need to rebuild it.
 	//
@@ -308,7 +308,7 @@ func (p *Poller) TriggerScanAll() (int, error) {
 }
 
 // TriggerReset performs a full reset for a watcher:
-// 1. Clears the Redis stream and emits a reset event
+// 1. Clears the file:events stream and emits a reset event
 // 2. Clears the watcher's state
 // 3. Performs a full scan (all files are "new")
 func (p *Poller) TriggerReset(watcherID string) (int, error) {

internal/watchers/types.go

@@ -21,7 +21,7 @@ type WatcherConfig struct {
 // WatcherStatus includes runtime status in API responses
 type WatcherStatus struct {
 	WatcherConfig
-	Active     bool `json:"active"`     // Polling goroutine running
+	Active     bool  `json:"active"`     // Polling goroutine running
 	LastScan   int64 `json:"lastScan"`   // Unix ms timestamp
 	FileCount  int   `json:"fileCount"`  // Files found in last scan
 	IsScanning bool  `json:"isScanning"` // Currently scanning