Commit Graph

51 Commits

Author SHA1 Message Date
d1eb56fac9 feat(llm): wire Phase 3 local LLM runtime via llama-cpp-2
kon-llm now owns a real LlamaBackend + LlamaModel, with three Qwen3 tiers
(1.7B Q4, 4B-Instruct-2507 Q4, 14B Q5) selectable per hardware. Downloads
are resumable with SHA-256 verification and stored under ~/.kon/models/llm.

Engine exposes three high-level surfaces — all greedy/temp-0, GBNF-constrained
where output shape matters:
- cleanup_text (prompt-injection-hardened system prompt; profile terms
  appended as "preserve these spellings" suffix)
- decompose_task (3–7 micro-steps, constrained JSON array)
- extract_tasks (optional-array; empty when no explicit commitments)

post_process_segments now takes an Option<&LlmEngine> and, when loaded and
format_mode != Raw, joins segments → cleanup → replaces segments with the
cleaned text (first segment span). Rule-based path still runs first; LLM
errors log and keep rule-based output.

Tauri commands: recommend_llm_tier, check_llm_model, download_llm_model,
load_llm_model, unload_llm_model, delete_llm_model, get_llm_status,
cleanup_transcript_text_cmd, extract_tasks_from_transcript_cmd,
decompose_and_store (LLM-backed subtasks).

Settings: AI tier toggle (off / cleanup / tasks), model picker with
downloaded/loaded status, download progress events via
kon:llm-download-progress.

Dictation: ensureLlmModelLoaded on mount, cleanupTranscriptIfEnabled after
stop when tier != off and format_mode != Raw, LLM task extraction when
tier=tasks (regex fallback on failure).

Interim: both llama-cpp-sys-2 and whisper-rs-sys statically link their own
ggml, so src-tauri/build.rs emits -Wl,--allow-multiple-definition on Linux.
Replace with a system-ggml shared-lib setup as a follow-up.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-04-21 07:31:51 +01:00
34fce3cf9e feat: OpenWhispr-inspired transcription polish pass
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Major quality pass on top of Phase 2. Five substantive changes plus
cross-cutting touches across audio, hotkey, transcription, and Tauri
command layers.

  Transcription quality

  - Long-audio chunking in commands/transcription.rs: Parakeet and large
    file transcription now chunk-and-recompose with overlap trimming, so
    the live-path chunking advantage extends to file-based workflows.
  - Stateful live speech gate in commands/live.rs on top of the earlier
    duplicate-boundary filtering — distinguishes start-of-speech from
    mid-speech and holds state across chunks.

  Auto-learning corrections

  - New crates/ai-formatting/src/correction_learning.rs: extracts user
    text corrections from viewer edits and proposes additions to the
    active profile's vocabulary.
  - src-tauri/src/commands/profiles.rs bridge for frontend-driven
    confirmation of learned terms.
  - src/routes/viewer/+page.svelte hooks the learning path into the
    segment-edit flow so corrections feed profile_terms without a
    separate 'train this profile' UX.

  Transcript profile provenance

  - Migration v8 (crates/storage/src/migrations.rs) adds profile_id to
    transcripts, defaulting to DEFAULT_PROFILE_ID so existing rows stay
    valid.
  - crates/storage/src/database.rs: TranscriptRow + CRUD carry profile_id.
  - src-tauri/src/commands/transcripts.rs: add_transcript accepts and
    persists profile_id.
  - DictationPage.svelte + FilesPage.svelte send activeProfileId on
    capture so learned corrections are attributed to the right profile.

  Cleanup prompt contract

  - crates/ai-formatting/src/llm_client.rs hardened: the CLEANUP_PROMPT
    now specifies concrete do/do-not rules, ready for a real model-backed
    cleanup pass. The llm_client is still a stub — kon-llm remains unwired
    — but the prompt shape is final.

  Cross-cutting polish

  - Minor touches in audio (capture/decode/resample), hotkey (lib/linux/stub),
    core, transcription (concurrency/model_manager/local_engine/whisper_rs),
    and the rest of src-tauri/src/commands/*: error-path tightening, log
    clarity, TS-migration follow-ups (@ts-nocheck additions for incremental
    typing).

Verified locally: npm run check, cargo test -p kon-ai-formatting,
cargo test -p kon-storage, cargo test -p kon --lib commands::live::tests,
cargo check — all green.

Scope boundary: kon-llm crate is still a stub; task extraction remains
rule-based. Bundled local-LLM runtime is the next clean step and is not
in this commit.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-04-19 22:39:08 +01:00
86228cd517 chore(storage): drop dictionary table (v7) + retire unused storage fns — profile_terms is sole surface 2026-04-19 21:04:13 +01:00
d8a5b9bef1 feat(storage): profile + profile_terms CRUD with Default-profile guardrails 2026-04-19 20:43:56 +01:00
3f784313aa feat(storage): migration v6 — profiles + profile_terms + Default-guard triggers; seed from dictionary 2026-04-19 20:39:33 +01:00
e5661b9111 deps(transcription): drop whisper-cpp features from transcribe-rs — whisper-rs is sole Whisper backend 2026-04-19 20:23:31 +01:00
381f236bf8 obs(transcription): log initial_prompt presence at WhisperRsBackend boundary 2026-04-19 20:21:40 +01:00
4256383a5b refactor(transcription): LocalEngine dispatches SpeechBackend enum — Whisper now on whisper-rs 2026-04-19 20:20:03 +01:00
c426fa7eb2 feat(transcription): add WhisperRsBackend wrapping whisper-rs with initial_prompt support 2026-04-19 20:16:07 +01:00
6b44570b04 test(transcription): probe whisper-rs 0.16 load + transcribe + initial_prompt 2026-04-19 20:14:17 +01:00
8b9a569b76 deps(transcription): add whisper-rs 0.16 alongside transcribe-rs for Whisper backend swap 2026-04-19 20:10:18 +01:00
6605266587 feat(ai-formatting): collapse adjacent repetitions in Clean/Smart modes + chore(audio): swap deprecated cpal .name() for description-based helper
ai-formatting:
  - rule_based.rs: collapse_repetitions() merges adjacent duplicate
    tokens like 'I I can' -> 'I can' and 'think think that' -> 'think
    that'. Normalises case and punctuation before comparison.
  - pipeline.rs: post_process now calls collapse_repetitions when
    format_mode is Clean or Smart. Added unit coverage.

audio:
  - capture.rs: replace the seven deprecated cpal DeviceTrait::name()
    call sites with a device_display_name() helper that uses the
    non-deprecated description() path. Keeps identical behaviour,
    silences compile warnings, ready for cpal upgrade.

Addresses the 'Christ. Christ.' live-transcription boundary duplicate
Jake saw during Group 1 dogfooding. Does not fix all cross-chunk
overlap cases (see live.rs OVERLAP_SAMPLES for the root cause) but
catches the common stutter pattern at post-processing.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-04-19 20:05:36 +01:00
52551e6666 fix(parakeet): request word-granularity segments (was per-subword 'T Est Ing')
transcribe-rs 0.3.10's ParakeetModel::transcribe_raw ignores its
options argument and calls self.infer(samples, &TimestampGranularity::default())
where default is TimestampGranularity::Token — per-subword segments.

That surfaces in Kon as output like 'T Est Ing One , Two , Three . W Ow ,
This Is T  Ri Ble .' because DictationPage joins segment texts with ' '.

Introduce a thin ParakeetWordGranularity wrapper that implements
SpeechModel and overrides transcribe_raw to call the concrete
ParakeetModel::transcribe_with() with ParakeetParams { timestamp_granularity:
Some(Word) }. Pre-existing bug unrelated to Phase 2 work — surfaced during
Group 1 dogfooding because Parakeet was being tested for the first time.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-04-19 17:19:45 +01:00
e248923f5d feat(transcripts): migration v5 meta — starred, tags, template, language, segments persisted 2026-04-19 16:35:17 +01:00
9378980639 feat(tasks): persist list_id/effort/notes + update_task_cmd — close Task 2 metadata gap 2026-04-19 16:23:25 +01:00
ea48d03cee agent: dogfood polish 2026/04/19 — Linux native chrome + History redesign + mic picker cleanup
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Second dogfood sprint. Headline fix: Linux now uses native KWin/Mutter
decorations instead of fragile frameless `startResizeDragging`, which
collapsed diagonal corner resize to a single axis and made drag feel
laggy. macOS / Windows keep custom chrome via `useCustomChrome` gate.

Other changes:

- Cross-window preferences sync via `kon:preferences-changed` Tauri
  event — theme and font changes propagate live to float/viewer.
- Hotkey recorder rewritten to use capture-phase document listener
  gated by $effect; button focus was unreliable in webkit2gtk.
- History page redesigned for cognitive-load hygiene: title-first
  compact row, inline title input, Edit popout opening /viewer in
  edit mode, clipboard export as .md with YAML frontmatter, manual
  tag chips + + Add tag input, header tag filter (cap 7), global
  Starred filter, `tag:xyz` search syntax.
- `deriveAutoTags` kept as empty hook for post-Task-7 LLM topic tags;
  research found all previous auto-tag chips redundant with row UI.
- Viewer window adds edit mode with debounced-save textarea; native
  title renamed to "Kon - Transcription Editor".
- Window minimums updated per GNOME HIG + WCAG reflow research:
  main 960x600, float 360x480, editor 560x520.
- Microphone picker filters raw ALSA strings (hw:, plughw:, front:,
  sysdefault:, null) and dedupes by CARD=X. New `description` field
  on DeviceInfo reads /proc/asound/cards so Blue Yeti shows as "Blue
  Microphones" instead of the short "Microphones" card name.
- GPU reporting fixed: get_runtime_capabilities now returns
  accelerators=[cpu,vulkan] and whisper.supports_gpu=true, matching
  the transcribe-rs whisper-vulkan feature linked unconditionally.
- ResizeHandles kept for macOS/Windows frameless: 12px edges, 20px
  corners via CSS vars, pointerdown + setPointerCapture, corners
  above edges in z-order, rendered as sibling (not child) of the
  animated layout root so `position: fixed` is viewport-relative.
- Dueling drag-region handlers removed — `data-tauri-drag-region` and
  manual `startDragging()` were stacked on the same elements; kept
  the manual handler which has the button/input early-return logic.

See HANDOVER.md for the full session log and deferred items.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-04-19 14:30:42 +01:00
8c9c9390d8 fix(storage): PRAGMA foreign_keys=ON; atomic transaction in complete_subtask_and_check_parent; uncomplete_task moved to storage layer
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2026-04-19 11:00:37 +01:00
8640b255e9 feat(llm): add kon-llm stub crate with LlmEngine interface — Phase 3 will wire real model 2026-04-19 10:42:24 +01:00
6f264d8bec refactor(storage): extract task_row_from helper — consistent with transcript_row_from pattern 2026-04-19 10:37:55 +01:00
35efed53e5 feat(storage): extend task layer for subtasks — get_task_by_id, insert_subtask, list_subtasks, complete_subtask_and_check_parent 2026-04-19 10:34:59 +01:00
fa20cb313a feat(storage): add parent_task_id migration for micro-stepping 2026-04-19 10:21:43 +01:00
ac46949b01 feat(transcription): enable Vulkan GPU acceleration for Whisper inference 2026-04-18 10:32:09 +01:00
0b1faf0679 fix: suppress stub dead-code warnings; clarify update toast copy
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2026-04-18 09:45:37 +01:00
8c1bec98ca feat(ai-formatting): wire dictionary_terms through PostProcessOptions to LLM prompt suffix 2026-04-18 09:25:28 +01:00
1e30bb77d4 feat(ai-formatting): hardened CLEANUP_PROMPT + dictionary suffix builder 2026-04-18 09:21:25 +01:00
cca79dec4c fix: SQL trigger-aware migration splitter, SpeechModel re-export, i64 type alignment
crates/storage/src/migrations.rs:
  Replace naive sql.split(';') with split_statements() that tracks
  BEGIN...END depth, so migrations containing trigger definitions
  execute correctly instead of being split mid-block.

crates/transcription/src/lib.rs:
  Re-export transcribe_rs::SpeechModel so callers in src-tauri can
  reference it without adding transcribe-rs as a direct dependency.

src-tauri/src/commands/models.rs:
  Use Box<dyn SpeechModel + Send> as the load_model_from_disk return
  type, matching the trait object that transcription crates produce.

src-tauri/src/commands/transcripts.rs:
  Remove the stale .map(|v| v as i32) casts on sample_rate and
  audio_channels. InsertTranscriptParams now stores these as i64
  (ebf449b), matching the i64 fields on CreateTranscriptRequest;
  casting to i32 first would silently truncate large sample rates.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
2026-04-18 09:03:01 +01:00
Claude
ebf449b47b qa: restore boot, wire dead error rx, harden storage and config
Front-to-back QC pass turned up two independent missing-module
showstoppers (workspace did not compile; frontend did not load) plus a
handful of HANDOVER-claimed features that were wired but dead. Fixes:

P0 — gets the app booting again:
  - Add the never-committed src/lib/utils/runtime.js (hasTauriRuntime
    detection); 5 imports were resolving to nothing.
  - Add the never-committed crates/audio/src/streaming_resample.rs
    (rubato-backed StreamingResampler with new/push_samples/flush);
    declared in lib.rs and used 3x by live.rs but had no impl.
  - Drop the duplicate hasTauriRuntime import in routes/+layout.svelte.
  - Allow the transcript-viewer window to use the default capability
    (was missing from capabilities/default.json:windows, so the viewer
    window could open but not invoke any Tauri command).

P1 — features documented as working but actually dead:
  - Pump MicrophoneCapture::take_error_rx() into LiveStatusMessage::
    Warning each loop iteration in commands/live.rs. The HANDOVER
    promised cpal stream errors would surface as toasts; the channel
    was created and never read.
  - Replace .expect() on the WebKit media-permission setup with a
    logged warning. Failure no longer aborts the whole process.
  - Toast on save_preferences failure (preferences.svelte.js had a
    silent console.error — now warns once per failure run via the
    existing toasts store).

P2 — correctness/robustness:
  - add_dictionary_entry: switch INSERT OR IGNORE to ON CONFLICT
    DO UPDATE ... RETURNING id so duplicate terms get the real row id
    instead of a stale auto-increment.
  - search_transcripts: qualify ORDER BY fts.rank.
  - InsertTranscriptParams + TranscriptRow: bump sample_rate /
    audio_channels from i32 to i64 to match the Tauri DTO and avoid
    silent truncation at the boundary.
  - Drop the unused tauri-plugin-mcp dependency.
  - Promote sqlx in src-tauri/Cargo.toml from linux-only to
    unconditional (lib.rs names sqlx::SqlitePool unconditionally —
    macOS/Windows builds were latently broken).
  - hotkey/linux.rs: stop panicking the hotplug task on inotify
    failure; degrade to "no hotplug" with a stderr warning.
  - layout.svelte: store the global error/unhandledrejection handler
    refs and remove them in onDestroy so HMR/window teardown doesn't
    leak listeners.

Verified: cargo check -p kon-core -p kon-storage -p kon-cloud-providers
passes. cargo check on src-tauri/kon-audio/kon-hotkey requires alsa +
gtk system libs not present in this sandbox; their changes are
syntactically and type-checked against the rest of the workspace.
svelte-check requires npm install which is not available here.

https://claude.ai/code/session_018ozAs4UcRC8jbJbddqJtEw
2026-04-18 02:00:26 +00:00
4e6ca0ed96 platform: fix macOS data path + add get_os_info + frontend osInfo helper
CROSS-PLATFORM AUDIT:
- Linux x86_64 (Fedora 43, KDE Wayland): HIGH confidence (the dev target)
- Linux other distros / X11: MEDIUM (tested patterns, untested distros)
- Windows 10/11: LOW — theoretically supported via Tauri + CPAL + whisper.cpp
  + tauri-plugin-global-shortcut (the custom evdev hotkey is no-op on
  Windows); has had zero hands-on testing
- macOS Apple Silicon / Intel: LOW — same; macOS Info.plist needs
  NSMicrophoneUsageDescription for the bundled app, and the path bug
  fixed in this commit

REAL BUG FIXED — macOS app_data_dir was Unix-style:
crates/storage/src/file_storage.rs::app_data_dir() previously fell into
the "Unix" branch on macOS and wrote to ~/.kon/, which violates Apple
guidelines and confuses install/uninstall tooling. Now correctly:
- Windows: %LOCALAPPDATA%/kon (unchanged)
- macOS: ~/Library/Application Support/Kon/
- Linux: $XDG_DATA_HOME/kon or ~/.local/share/kon (XDG Base Directory),
         with legacy ~/.kon/ fallback so existing installs keep working
- Other Unix: ~/.kon/ (unchanged)

OS DETECTION LAYER:
- New get_os_info Tauri command in commands/diagnostics.rs returns:
  {os, arch, family, usesCmd, isWayland, customHotkeyBackend,
   primaryModifierLabel}
- New src/lib/utils/osInfo.js helper:
  - async loadOsInfo() warms a cache, called once at root layout mount
  - then isMac() / isWindows() / isLinux() / modKeyLabel() / isWayland()
    are synchronous
  - browser-preview fallback reads navigator.platform
- Lets components localise hotkey labels (Cmd vs Ctrl), file-picker
  copy ("Open Finder" vs "Open Explorer"), etc, without recomputing in
  every place.

cargo check -p kon-storage clean. Updated HANDOVER-2026-04-17.md with
a per-platform confidence table.
2026-04-17 13:52:58 +01:00
62ea58d95a diagnostics: panic hook + frontend error capture + Settings → About diagnostic report
THE BRIEF:
For the friends beta we need verbal feedback AND technical feedback —
some bugs the user cannot describe but a stack trace can. Built it in
two layers, with Layer 3 deferred until there is real volume.

PRIVACY POSTURE (matches Kon's local-first positioning):
- All capture is to disk only. Nothing is transmitted.
- The manual report bundler shows the user exactly what would be
  shared and lets them choose to copy / save it.
- No remote endpoint, no Sentry, no opt-out telemetry.

LAYER 1 — Always-on local capture:
- Rust panic hook (commands/diagnostics.rs::install_panic_hook) writes
  each panic to ~/.kon/crashes/<unix-ts>-<short-id>.crash. Captures
  thread name, OS/arch, RUST_BACKTRACE state, and the panic info.
  Installed before tauri::Builder so it catches setup-time panics too.
- Frontend window.onerror + window.unhandledrejection in
  src/routes/+layout.svelte forward to the new log_frontend_error
  Tauri command, which inserts into the existing error_log SQLite
  table. Best-effort: errors in the error handler itself are swallowed
  so logging can never crash the app.
- Existing error_log table (migration v1) is now actually used —
  closes the TODO from crates/storage/src/database.rs:409.

LAYER 2 — Manual diagnostic report:
- Settings → About → Diagnostics section: Generate report → Preview →
  Copy / Save.
- Report is plain markdown so it pastes cleanly into email, Discord,
  GitHub issues. Sections: app version + OS, sanitised settings JSON,
  recent error_log rows, last 5 crash dumps with previews, log file
  tail (8KB).
- Preview is shown in a <details> with the full text the user can
  inspect before deciding to share.
- Save writes to ~/.kon/diagnostic-reports/kon-diagnostic-<ts>.md.

NEW FILES:
- src-tauri/src/commands/diagnostics.rs (panic hook + 5 Tauri commands)

CHANGES:
- crates/storage/src/file_storage.rs: crashes_dir() + logs_dir() helpers
- crates/storage/src/database.rs: ErrorLogRow + list_recent_errors()
- crates/storage/src/lib.rs: re-exports
- src-tauri/src/commands/mod.rs: + diagnostics module
- src-tauri/src/lib.rs: install_panic_hook() before Builder; 5 new
  Tauri commands registered (log_frontend_error,
  list_recent_errors_command, list_crash_files,
  generate_diagnostic_report, save_diagnostic_report)
- src/routes/+layout.svelte: installGlobalErrorCapture() at mount
- src/lib/pages/SettingsPage.svelte: diagnostic state + buttons +
  preview block at the end of the About section

cargo check -p kon-storage clean. Settings.svelte if/each balanced.

LAYER 3 (deferred):
- Optional opt-in remote reporting (self-hosted Sentry on Tartarus or
  similar). Not for friends beta. Open up after volume justifies it.
2026-04-17 13:47:20 +01:00
1cce5670af storage: Day 4 — FTS5 search + update_transcript + dictionary + paginated list + Tauri command surface
Finally exposes the canonical SQLite store to the frontend. Previously
the transcript/task tables existed but no Tauri command read or wrote
them — the UI lived entirely in localStorage. Closes that gap and adds
the missing commands flagged by both Codex and architecture-review.md
§13.

MIGRATIONS:
- v2 adds:
  - transcripts_fts virtual table (FTS5, porter+unicode61 tokeniser,
    diacritics-folded) backed by transcripts via content_rowid
  - INSERT/UPDATE/DELETE triggers keep FTS in sync automatically
  - dictionary table for custom vocabulary (term, note, created_at)
- Append-only as required; never modifies v1

STORAGE FUNCTIONS (crates/storage/src/database.rs):
- list_transcripts_paged(limit, offset) — pagination
- count_transcripts() — for "showing X of N" in UI
- update_transcript(id, text?, title?) — closes the historic
  architecture-review.md §13 rename-never-persists TODO
- search_transcripts(query, limit) — FTS5 wrapper
- list_dictionary / add_dictionary_entry / delete_dictionary_entry
- DictionaryEntry struct exported

TAURI COMMANDS (src-tauri/src/commands/transcripts.rs new file):
- add_transcript, list_transcripts, count_transcripts_command,
  get_transcript, update_transcript, delete_transcript,
  search_transcripts
- list_dictionary_command, add_dictionary_entry_command,
  delete_dictionary_entry_command
- TranscriptDto + DictionaryDto for camelCase frontend serialisation

REGISTRATION (src-tauri/src/lib.rs):
- All 10 new commands wired into the invoke_handler

cargo check -p kon-storage passes clean. The Tauri crate cargo check
still requires `sudo dnf install cmake clang-devel` for whisper-rs-sys
(pre-existing infra dep, unrelated to this work).

NEXT (still in this sprint):
- Wire DictationPage / FilesPage to call add_transcript on every save
  (dual-write: keep localStorage for now, add SQLite alongside)
- Wire HistoryPage rename to call update_transcript (fixes the TODO)
- Add a History search input that calls search_transcripts
- Add Settings → Dictionary panel
- Inject dictionary terms into the LLM cleanup prompt
2026-04-17 13:10:26 +01:00
19a6b83cb2 audio: Day 2 — Codex follow-up hardening (channel disconnect, spawn_blocking, fallback silence guard, requeue counting, runtime error propagation)
Closes the 6 Codex review findings on the Day 1 mic-capture work
(commits 96980c7 + 41db162). Detail in
output/reports/kon-codex-mic-capture-followup-2026-04-17.md (CORBEL
workspace).

src-tauri/src/commands/audio.rs:
- D1: Sending an explicit stop signal before dropping stop_tx, so the
  accumulator task wakes up immediately rather than waiting for the
  Disconnected detection added below.
- D2: Wrapping MicrophoneCapture::start() in tokio::task::spawn_blocking.
  start() can spend up to 350ms × N_devices × 2 passes; running it on
  the async runtime froze other Tauri commands.
- M3: Match on rx.try_recv() error variants. Empty -> sleep + continue.
  Disconnected -> exit accumulator task immediately. Previous behaviour
  was an infinite loop after the capture stream died.

crates/audio/src/capture.rs:
- D3: Added DEAD_SILENCE_FLOOR (1e-7) gate that applies even in the
  fallback pass. PulseAudio/PipeWire can stream zero-valued bytes from
  a borked device; that is worse than failing fast.
- M1: Validation requeue (`for chunk in collected { try_send }`) now
  counts drops in the same dropped_chunks counter.
- M2: New CaptureRuntimeError type. The cpal stream error callback now
  forwards errors via a separate sync_channel (capacity 16) that the
  live session can drain via take_error_rx() and surface as toasts.
  Re-exported from kon_audio crate root.

cargo check -p kon-audio passes clean.

NOT YET DONE (M4): JACK-specific monitor name patterns. Defers until
testing on a JACK host. Current is_monitor_name() may miss JACK
conventions.

Wiring the new error_rx into the live session and surfacing as toasts
lands with the Day 3 error-toast system commit.
2026-04-17 13:02:51 +01:00
96980c7d5c audio: fix mic capture — skip monitor sources, validate by RMS, add device picker
Day 1 of the upgrade plan (output/reports/kon-upgrade-plan-2026-04-17.md
in the CORBEL workspace). Fixes the HANDOVER.md blocker: native live
transcription was capturing silence because PulseAudio/PipeWire monitor
sources (speaker loopback) were winning the device-selection race —
they deliver zero-valued bytes that satisfied the original
"any device that produces data within 350ms" check.

WHAT CHANGED:

crates/audio/src/capture.rs (rewrite):
- New `DeviceInfo` struct (serde-derived) for the Settings device picker
- New `MicrophoneCapture::list_devices()` enumerates inputs with metadata
- New `MicrophoneCapture::start_with_device(name)` for explicit selection
- Refactored `start()` with monitor-source filtering by name pattern
  (.monitor suffix, "Monitor of " prefix, "loopback" substring) and
  RMS-energy validation in a 350ms window
- Two-pass selection: real inputs first, monitor sources only as
  last-resort fallback with explicit warning log
- Drop counter (Arc<AtomicU64>) tracks chunks dropped by `try_send`
  failure under load — Codex review caught this as a silent-failure risk
- `dropped_chunks()` accessor for the live session
- Verbose tracing at every step for diagnosis
- Unit test for monitor-name detection
- `cargo check -p kon-audio` passes clean

crates/audio/src/lib.rs:
- Re-export `DeviceInfo`

crates/audio/Cargo.toml:
- Add serde dependency (for DeviceInfo derives)

src-tauri/src/commands/audio.rs:
- New `list_audio_devices` Tauri command (returns Vec<DeviceInfo>)

src-tauri/src/lib.rs:
- Register `list_audio_devices` in invoke_handler

src/lib/pages/SettingsPage.svelte:
- New "Audio" section with microphone picker dropdown
- Auto-populates on mount via `list_audio_devices`
- Refresh button + clear messaging about monitor sources
- Likely-monitor entries marked disabled in the dropdown
- Auto mode is the default (empty string in settings.microphoneDevice)

src/lib/stores/page.svelte.js:
- New `microphoneDevice` field in defaults (empty = auto-select)

NEXT STEPS (per the upgrade plan):
- Wire `microphoneDevice` from settings into `MicrophoneCapture::start_with_device`
  in the live and standalone capture paths (currently both still call
  the auto-selecting `start()`)
- Test on real hardware (Wayland + multiple input devices)
- Codex sanity-check of this diff is running in parallel; addendum to
  follow if anything substantive comes back

Refs: /home/jake/Documents/CORBEL-Projects/kon/HANDOVER.md
      output/reports/kon-upgrade-plan-2026-04-17.md (CORBEL workspace)
2026-04-17 12:43:13 +01:00
c75ff6a0e5 agent: fix — add missing vocab.txt to Parakeet model registry
transcribe-rs loads vocabulary from vocab.txt for token decoding.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-04-03 18:23:37 +01:00
b7338743fe agent: fix — switch Parakeet to TDT transducer model (transcribe-rs compat)
The CTC model (onnx-community/parakeet-ctc-0.6b-ONNX) only has an encoder
— no decoder_joint or nemo128 preprocessor. transcribe-rs expects a TDT
transducer variant with all three. Switch to istupakov/parakeet-tdt-0.6b-v2-onnx
which has the correct int8 files.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-04-03 18:20:04 +01:00
9e05f698da agent: fix — add missing transcribe-rs fields (leading/trailing silence)
Upstream transcribe-rs 0.3.10 added required fields to TranscribeOptions.
Set both to None (use engine defaults).

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-04-03 17:58:04 +01:00
8e70cf9ff9 agent: wayland — evdev hotkey backend, download resume, SHA256 integrity
Add kon-hotkey crate with evdev-based global hotkey capture that works on
Wayland (and X11). Patterns from whisper-overlay: per-device async listeners,
inotify hotplug with udev permission retry, watch channel for live config
updates. Frontend detects Wayland at startup and selects evdev or
tauri-plugin-global-shortcut automatically.

Model downloads now support HTTP Range resume for interrupted downloads and
optional SHA256 integrity verification (incremental, no second pass).

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-04-03 17:50:48 +01:00
jake
4c0fd0aeda agent: foundation — sync incremental changes from legacy codebase
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-03-21 10:50:32 +00:00
jake
b9178f8117 feat(kon): add schema versioning — sequential migration system replaces CREATE TABLE IF NOT EXISTS
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-03-17 02:13:19 +00:00
jake
6e959ed0c9 refactor(kon): clean up storage and cloud-providers — remove unused deps, add safety docs
- Remove unused chrono and uuid dependencies from kon-storage
- Add schema versioning TODO to run_migrations() for pre-release safety
- Add doc comment and usage example to log_error() (uncalled public API)
- Add TODO to consolidate app_data_dir() with model_manager::dirs_path()
- Add safety comments and #[allow(deprecated)] to keystore set_var usage
- Add TODO for keyring crate migration in cloud-providers keystore
- Apply cargo fmt

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-03-17 00:23:30 +00:00
jake
2ac98e6d40 fix(kon): normalise British English table, single-pass whitespace collapse, byte-index safety
- Normalise BRITISH_REPLACEMENTS: remove baked-in \b from entries so all
  entries are plain base words; the function adds boundaries uniformly
- Replace O(n*m) while-loop double-space removal with single-pass collapse
- Add debug_assert! documenting ASCII assumption for byte-indexed suffix slicing
- Expand llm_client.rs module-level doc comment
- Run cargo fmt on ai-formatting crate

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-03-17 00:19:59 +00:00
jake
95c8d490c3 fix(kon): harden core crate — shared System instance, accurate CPU field, serialisable errors
- Share single System::new_all() in probe_system() instead of calling it twice
- Rename CpuInfo::core_count to logical_processors (sys.cpus().len() returns logical, not physical)
- Add fallback arm to probe_os() for unsupported cfg targets
- Add serde::Serialize to KonError for structured frontend error reporting
- Annotate dead code (ProviderRegistry, TranscriptMetadata) with #[allow(dead_code)] + TODO comments
- Update downstream references in recommendation tests and tauri hardware command

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-03-17 00:19:04 +00:00
jake
c463293935 fix(kon): security audit fixes — CSP, XSS, unwraps, key rename
Security fixes from code audit:
- CSP re-enabled in tauri.conf.json with strict directives
  (was null — critical vulnerability)
- XSS fix in viewer highlightText(): HTML entities escaped before
  inserting <mark> tags via {@html}
- Removed 3 unwrap() calls in rule_based.rs British English conversion
  — replaced with safe let-else guards
- Removed unwrap() on main window lookup in lib.rs setup — now uses
  if-let for graceful handling
- Wrapped JSON.parse in DictationPage transcription-result listener
  with try/catch

Rebrand cleanup:
- Renamed all localStorage keys from ramble_* to kon_* across
  7 files (stores, viewer, float, history)

12 tests passing, clippy clean.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-03-16 22:51:47 +00:00
jake
292f9716ff feat(kon): add full transcript provenance — enriched schema, metadata pipeline, error log
Schema enrichment:
- transcripts table: +engine, +model_id, +inference_ms, +sample_rate, +audio_channels,
  +format_mode, +remove_fillers, +british_english, +anti_hallucination
- New error_log table: context, error_code, message, metadata (JSON)
- 5 indices on frequently queried columns

Metadata pipeline:
- TranscriptMetadata struct in kon-core for full provenance capture
- LocalEngine tracks loaded ModelId, returns TimedTranscript with inference_ms
- std::time::Instant timing around transcribe-rs inference calls
- Tauri transcription commands emit inference_ms in event payloads
- InsertTranscriptParams accepts all provenance fields
- log_error() for structured error logging to SQLite

Every transcript is now fully reproducible from its stored metadata.
23 tests passing, clippy clean.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-03-16 21:36:44 +00:00
jake
0646c75de7 fix(kon): resolve ort version conflict — stub VAD, fix audio crate
- VAD stubbed: voice_activity_detector and silero-vad-rust both pin ort rc.10
  which conflicts with transcribe-rs requiring ort rc.12. Stubbed until ort
  ecosystem aligns at 2.0.0 stable. All audio treated as speech (matches v0.2).
- Refreshed Cargo.lock to resolve ort rc.12 + whisper-rs 0.16 correctly
- clippy clean

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-03-16 21:09:38 +00:00
jake
a83eafdc82 feat(kon): add cloud-providers crate — BYOK stubs, keystore
- Keystore stub using environment variables (keyring integration deferred)
- Minimal crate ready for cloud STT provider implementations post-Stage 1

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-03-16 21:01:07 +00:00
jake
ec06ab07c7 feat(kon): add storage crate — SQLite schema, CRUD operations
- SQLite via sqlx 0.8 with runtime-tokio
- Schema: transcripts, segments, tasks, task_lists, settings tables
- Full CRUD for transcripts (insert, get, list, delete)
- Full CRUD for tasks (insert, list, complete, delete)
- Settings key-value store (insert/replace, get)
- File storage paths: app_data_dir, database_path, recordings_dir
- 3 async tests passing against in-memory SQLite, clippy clean

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-03-16 20:59:21 +00:00
jake
a30c9cc107 feat(kon): add audio crate — cpal capture, VAD, rubato resample, symphonia decode
- File decode via symphonia (mp3, aac, flac, wav, ogg) with mono mixdown
- Sinc interpolation resampling via rubato 0.15 (48kHz/44.1kHz → 16kHz)
- WAV I/O via hound (read/write with f32→i16 conversion)
- Microphone capture via cpal 0.17 (WASAPI on Windows) with mpsc channel output
- Voice activity detection via Silero VAD V5 (voice_activity_detector 0.2)
- Async decode_and_resample() for file transcription pipeline
- 3 tests passing (resample passthrough, duration preservation, WAV roundtrip)
- clippy clean, no ort version conflicts

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-03-16 20:56:30 +00:00
jake
100ecb4eae feat(kon): add transcription crate — transcribe-rs wrapper, model manager
- LocalEngine wraps transcribe-rs SpeechModel behind Kon's own abstraction
- load_parakeet() and load_whisper() factory functions
- Unified model manager: download with progress callback, check, list, path resolution
- Atomic downloads: .part suffix with rename on completion
- run_inference() encapsulates spawn_blocking threading
- Zero Tauri dependency in this crate (progress via callback, not events)
- transcribe-rs v0.3.2 with onnx + whisper-cpp features
- 4 tests passing, clippy clean

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-03-16 20:39:37 +00:00
jake
0738fca22c feat(kon): add ai-formatting crate — filler removal, British English, text pipeline
- Filler word removal using word-boundary regex (fixed regex-lite lookbehind limitation)
- British English conversion: 26 -ize/-ise patterns, -or/-our, -er/-re, -ense/-ence
- Text formatting: sentence capitalisation, spacing cleanup
- Hallucination filter: blank_audio, music, silence, auto-thanks detection
- Post-processing pipeline: composed from pure functions, supports Raw/Clean/Smart modes
- Smart mode inserts paragraph breaks on >2s pauses between segments
- 12 tests passing, clippy clean

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-03-16 20:29:46 +00:00
jake
6588130e36 feat(kon): add core crate — types, traits, hardware, model registry, recommendation
- Value objects: ModelId, EngineName, Megabytes, AudioSamples, Segment, Transcript
- KonError enum with thiserror
- Constants centralised: audio pipeline, VAD, RAM thresholds, inference threading
- SpeechToText and TextProcessor provider traits with ProviderRegistry
- Unified model registry (Whisper tiny/base/small/medium + Parakeet CTC int8)
- Hardware detection: probe_ram, probe_cpu, probe_gpu (stub), probe_os
- Recommendation engine: score_model (pure function), rank_recommendations (sorted)
- 5 tests passing, clippy clean

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-03-16 20:27:27 +00:00