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/voice/wire.go

@@ -61,12 +61,12 @@ type Surface = auth.Surface
 // internal/auth directly. The auth package IS the source of truth; these
 // aliases forward to it.
 const (
-	SurfaceVoice      = auth.SurfaceVoice
-	SurfaceTelegram   = auth.SurfaceTelegram
-	SurfacePCClient   = auth.SurfacePCClient
-	SurfaceAuthedPage = auth.SurfaceAuthedPage
+	SurfaceVoice       = auth.SurfaceVoice
+	SurfaceTelegram    = auth.SurfaceTelegram
+	SurfacePCClient    = auth.SurfacePCClient
+	SurfaceAuthedPage  = auth.SurfaceAuthedPage
 	SurfaceCoreProcess = auth.SurfaceCoreProcess
-	SurfaceUnknown    = auth.SurfaceUnknown
+	SurfaceUnknown     = auth.SurfaceUnknown
 )
 
 // maxFrame — 64 MiB. Same instinct as worker: a single utterance at 16k mono
@@ -114,7 +114,7 @@ type Response struct {
 // awaiting a Request response is interleaved — the client distinguishes by
 // the json shape (Response has `id`, Push has `kind`).
 type Push struct {
-	Kind   PushKind         `json:"kind"`
+	Kind   PushKind        `json:"kind"`
 	Params json.RawMessage `json:"p,omitempty"`
 }
 
@@ -152,9 +152,9 @@ type RpcError struct {
 // every conn, but the wire carries it so future mTLS / passkey handshakes
 // can populate it without a protocol version bump.
 type PushToTalkReq struct {
-	Audio  audio.Audio `json:"audio"`
-	Lang   string      `json:"lang,omitempty"`
-	Surface Surface    `json:"surface,omitempty"`
+	Audio   audio.Audio `json:"audio"`
+	Lang    string      `json:"lang,omitempty"`
+	Surface Surface     `json:"surface,omitempty"`
 }
 
 // PushToTalkResp — the reply. ReplyAudio is TTS-synthesised; ReplyText is
@@ -164,19 +164,19 @@ type PushToTalkReq struct {
 // nudge fired alongside the reply and was forwarded to ntfy); today the
 // reactive handler doesn't dispatch nudges, so this is empty.
 type PushToTalkResp struct {
-	ReplyAudio   audio.Audio `json:"reply_audio"`
-	ReplyText    string      `json:"reply_text"`
-	Transcript   string      `json:"transcript,omitempty"`
-	RoutedChannels []string  `json:"routed_channels,omitempty"`
+	ReplyAudio     audio.Audio `json:"reply_audio"`
+	ReplyText      string      `json:"reply_text"`
+	Transcript     string      `json:"transcript,omitempty"`
+	RoutedChannels []string    `json:"routed_channels,omitempty"`
 }
 
 // AudioNudgePush — the proactive nudge push payload. RuleName + Severity
 // for the client to display; Audio is the synthesised Body; Text is the
 // same in text form.
 type AudioNudgePush struct {
-	RuleName string       `json:"rule_name"`
-	Severity int          `json:"severity"`
-	Audio    audio.Audio  `json:"audio"`
-	Text     string       `json:"text"`
-	Ts       time.Time    `json:"ts"`
-}
+	RuleName string      `json:"rule_name"`
+	Severity int         `json:"severity"`
+	Audio    audio.Audio `json:"audio"`
+	Text     string      `json:"text"`
+	Ts       time.Time   `json:"ts"`
+}