maven: fix test mocks for CalendarEvents interface (verification)

- Add CalendarEvents method to recordingAPI in auth_test.go
- Add CalendarEvents method to fakeCore in handlers_test.go

Co-Authored-By: opencode <opencode@anthropic.com>

internal/router/intent.go

@@ -7,16 +7,16 @@
 //     a classifier owns the route; the SLM stays in its phrasing lane. same
 //     boundary as "rules decide, llm phrases," extended to the reactive path.
 //   - a CASCADE, not classifier-vs-deterministic — layers:
-//       stage 0 — exact match (regex/grammar). wake-word + known command
-//                 grammar. "maven, restart nginx" hits the allowlist directly,
-//                 skips the classifier. lowest latency — the vosk command path.
-//       stage 1 — intent classifier. embed utterance, nearest-centroid over
-//                 labeled intents. one forward pass, ~30ms cpu, similarity score.
-//       stage 2 — slot extraction, per intent. classification gives *what kind*,
-//                 not *the args*. reminders need a datetime, acts need fn+params.
-//       stage 3 — confidence gate. below threshold → clarify, don't guess.
-//                 same pattern as since(key)==null → don't fire: a misrouted
-//                 fact is a confident wrong write — worse than a gap.
+//     stage 0 — exact match (regex/grammar). wake-word + known command
+//     grammar. "maven, restart nginx" hits the allowlist directly,
+//     skips the classifier. lowest latency — the vosk command path.
+//     stage 1 — intent classifier. embed utterance, nearest-centroid over
+//     labeled intents. one forward pass, ~30ms cpu, similarity score.
+//     stage 2 — slot extraction, per intent. classification gives *what kind*,
+//     not *the args*. reminders need a datetime, acts need fn+params.
+//     stage 3 — confidence gate. below threshold → clarify, don't guess.
+//     same pattern as since(key)==null → don't fire: a misrouted
+//     fact is a confident wrong write — worse than a gap.
 //   - save-where is the routing axis: act | reminder | fact | note | query.
 //   - misroute correction = new centroid example — append-only, grows the
 //     classifier as used. same shape as nudges.outcome tuning cooldowns.
@@ -88,7 +88,7 @@ type Slots struct {
 // same shape as since(key)==null → don't fire for the loop.
 type Decision struct {
 	Utterance  string
-	Stage      int    // 0 exact-match, 1 classified, 2 slots-extracted, 3 clarify-gated
+	Stage      int // 0 exact-match, 1 classified, 2 slots-extracted, 3 clarify-gated
 	Intent     Intent
 	Confidence float64 // 1.0 for stage-0; classifier cosine similarity for 1+
 	Slots      Slots

internal/router/onnxembedder.go

@@ -228,10 +228,10 @@ func (t *unigramTokenizer) tokenize(text string) []int64 {
 }
 
 type cand struct {
-	start  int
-	end    int
-	id     int64
-	score  float64
+	start int
+	end   int
+	id    int64
+	score float64
 }
 
 func (t *unigramTokenizer) encodeWord(word string) []int64 {