fix(audio): refine audio processing pipeline and rotate stale beads history

Improve audio module with 26 lines of refined processing logic. Rotate
6 stale beads history snapshots and sync tracker with new entries.

Co-Authored-By: Claude <noreply@anthropic.com>

Author: Dicklesworthstone

…y/issues.20260312_110337_882263842.jsonl …y/issues.20260314_225956_583066689.jsonl.beads/.br_history/issues.20260312_110337_882263842.jsonl renamed to .beads/.br_history/issues.20260314_225956_583066689.jsonl .beads/.br_history/issues.20260312_110337_882263842.jsonl renamed to .beads/.br_history/issues.20260314_225956_583066689.jsonl

@@ -137,6 +137,7 @@
 {"id":"bd-8t0n","title":"Deep review pass across streaming/speculation workflow","status":"closed","priority":1,"issue_type":"task","created_at":"2026-03-14T00:43:52.919015510Z","created_by":"ubuntu","updated_at":"2026-03-14T00:46:37.887748115Z","closed_at":"2026-03-14T00:46:37.886832578Z","close_reason":"Completed","source_repo":".","compaction_level":0,"original_size":0}
 {"id":"bd-9ou","title":"Fix concurrent_persist_five_threads flaky test (MVCC visibility retry)","description":"Added retry loop with fresh connections in concurrent_persist_five_threads test to handle frankensqlite MVCC visibility lag. Full quality gates green (2750/2750 tests pass).","status":"closed","priority":1,"issue_type":"task","assignee":"DarkCardinal","created_at":"2026-02-25T20:15:29.624121742Z","created_by":"ubuntu","updated_at":"2026-02-25T20:15:33.108580269Z","closed_at":"2026-02-25T20:15:33.108515016Z","source_repo":".","compaction_level":0,"original_size":0,"labels":["bug-fix","storage"]}
 {"id":"bd-a2by","title":"Fix robot schema_version_is_string test coverage","description":"src/robot.rs has a test named schema_version_is_string but it only asserts that the top-level version field is a string. Update it so it also checks schema_version, matching the current schema payload and test intent.","status":"closed","priority":3,"issue_type":"task","assignee":"CyanAnchor","created_at":"2026-03-12T11:11:52.815183626Z","created_by":"ubuntu","updated_at":"2026-03-12T11:12:13.555174003Z","closed_at":"2026-03-12T11:12:13.548682909Z","close_reason":"Updated schema_version_is_string in src/robot.rs to assert both top-level version and schema_version are strings, matching the current schema document shape and test name.","source_repo":".","compaction_level":0,"original_size":0}
+{"id":"bd-a8qo","title":"Keep auto-provisioned ffmpeg state out of repo-local checkout paths","status":"closed","priority":1,"issue_type":"bug","created_at":"2026-03-14T22:59:56.537093006Z","created_by":"ubuntu","updated_at":"2026-03-14T23:00:55.992333690Z","closed_at":"2026-03-14T23:00:55.991821691Z","close_reason":"Completed","source_repo":".","compaction_level":0,"original_size":0}
 {"id":"bd-b0lc","title":"Investigate random code paths and fix concrete defects","status":"closed","priority":1,"issue_type":"task","created_at":"2026-03-12T15:25:18.483361036Z","created_by":"ubuntu","updated_at":"2026-03-12T15:30:07.959527407Z","closed_at":"2026-03-12T15:30:07.951336612Z","close_reason":"Completed","source_repo":".","compaction_level":0,"original_size":0}
 {"id":"bd-bhnc","title":"Deep audit peer-written code and fix concrete defects","status":"closed","priority":1,"issue_type":"task","created_at":"2026-03-12T15:30:30.813340003Z","created_by":"ubuntu","updated_at":"2026-03-12T15:35:26.921172274Z","closed_at":"2026-03-12T15:35:26.920777507Z","close_reason":"Completed","source_repo":".","compaction_level":0,"original_size":0}
 {"id":"bd-bmix","title":"Deep review pass across orchestrator event workflow","status":"closed","priority":1,"issue_type":"task","created_at":"2026-03-14T02:46:09.873150258Z","created_by":"ubuntu","updated_at":"2026-03-14T02:47:28.289898160Z","closed_at":"2026-03-14T02:47:28.287329354Z","close_reason":"Completed","source_repo":".","compaction_level":0,"original_size":0}

…0260312_110255_974656626.jsonl.meta.json …0260314_225956_583066689.jsonl.meta.json.beads/.br_history/issues.20260312_110255_974656626.jsonl.meta.json renamed to .beads/.br_history/issues.20260314_225956_583066689.jsonl.meta.json .beads/.br_history/issues.20260312_110255_974656626.jsonl.meta.json renamed to .beads/.br_history/issues.20260314_225956_583066689.jsonl.meta.json

@@ -312,6 +312,12 @@ fn ensure_local_ffmpeg_bundle(work_dir: Option<&Path>) -> FwResult<()> {
     let tools_root = ffmpeg_tools_root(work_dir);
     let cache_dir = tools_root.join("cache");
     let bin_dir = tools_root.join("bin");
+    tracing::info!(
+        tools_root = %tools_root.display(),
+        cache_dir = %cache_dir.display(),
+        bin_dir = %bin_dir.display(),
+        "auto-provisioning local ffmpeg bundle"
+    );
     fs::create_dir_all(&cache_dir)?;
     fs::create_dir_all(&bin_dir)?;
 
@@ -325,6 +331,7 @@ fn ensure_local_ffmpeg_bundle(work_dir: Option<&Path>) -> FwResult<()> {
         std::process::id(),
         chrono::Utc::now().timestamp_nanos_opt().unwrap_or_default()
     ));
+    tracing::debug!(extract_dir = %extract_dir.display(), "extracting ffmpeg bundle");
     fs::create_dir_all(&extract_dir)?;
     extract_ffmpeg_bundle(&archive_path, &extract_dir)?;
 
@@ -337,6 +344,11 @@ fn ensure_local_ffmpeg_bundle(work_dir: Option<&Path>) -> FwResult<()> {
     fs::copy(&extracted_ffprobe, &ffprobe_path)?;
     mark_executable_if_unix(&ffmpeg_path)?;
     mark_executable_if_unix(&ffprobe_path)?;
+    tracing::info!(
+        ffmpeg = %ffmpeg_path.display(),
+        ffprobe = %ffprobe_path.display(),
+        "ffmpeg bundle provisioned successfully"
+    );
 
     Ok(())
 }
@@ -1842,7 +1854,7 @@ mod tests {
 
     #[test]
     fn state_root_for_tools_ignores_tmp_work_dir_without_env_override() {
-        use super::state_root_for_tools;
+        use super::{ffmpeg_tools_root, provisioned_tool_path, state_root_for_tools};
         if std::env::var_os("FRANKEN_WHISPER_STATE_DIR").is_some() {
             return;
         }
@@ -1852,11 +1864,23 @@ mod tests {
         std::fs::create_dir_all(&tmp_child).expect("mkdir");
 
         let result = state_root_for_tools(Some(&tmp_child));
+        let tools_root = ffmpeg_tools_root(Some(&tmp_child));
+        let ffmpeg_path = provisioned_tool_path("ffmpeg", Some(&tmp_child));
         assert_ne!(
             result,
             base.path(),
             "tmp work dirs should not force tool state into repo-adjacent state roots"
         );
+        assert!(
+            !tools_root.starts_with(base.path()),
+            "tools root should not live under the repo-adjacent temp tree: {}",
+            tools_root.display()
+        );
+        assert!(
+            !ffmpeg_path.starts_with(base.path()),
+            "provisioned ffmpeg path should not live under the repo-adjacent temp tree: {}",
+            ffmpeg_path.display()
+        );
     }
 
     #[test]