ingest: log decoded sample-rate corrections

internal/ingest/runtime.go

@@ -2,6 +2,7 @@ package ingest
 
 import (
 	"context"
+	"log"
 	"sync"
 	"sync/atomic"
 	"time"
@@ -225,10 +226,12 @@ func (r *Runtime) handleChunk(chunk PCMChunk) {
 	// SetSampleRate writes atomically, so the StreamResampler's NextFrame()
 	// picks up the corrected ratio without any additional locking.
 	if chunk.SampleRateHz > 0 && chunk.SampleRateHz != r.workSampleRate {
+		prev := r.workSampleRate
 		r.workSampleRate = chunk.SampleRateHz
 		if r.sink != nil {
 			r.sink.SetSampleRate(chunk.SampleRateHz)
 		}
+		log.Printf("ingest: actual decoded sample rate %d Hz (was %d Hz) — resampler and pacer updated", chunk.SampleRateHz, prev)
 	}
 
 	r.mu.Unlock()