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Mirror of the TTS command-provider registry (PR #17843) for STT. Lets any shell-driven ASR engine — Doubao ASR, NVIDIA Parakeet, whisper.cpp builds, SenseVoice, curl pipelines — become an STT backend with zero Python. Complements the legacy HERMES_LOCAL_STT_COMMAND escape hatch (preserved untouched via the built-in local_command path) and the register_transcription_provider() Python plugin hook also shipped in this PR. Resolution order (mirrors TTS exactly): 1. Built-in (local, local_command, groq, openai, mistral, xai) → native handler. Always wins. 2. stt.providers.<name>: type: command → command-provider runner. 3. Plugin-registered TranscriptionProvider → plugin dispatch. 4. No match → 'No STT provider available'. Files ----- - tools/transcription_tools.py: BUILTIN_STT_PROVIDERS frozenset retained; added _resolve_command_stt_provider_config, _transcribe_command_stt, and local helpers for template rendering, shell-quote context, and process-tree termination. Helpers are documented as mirrors of their tts_tool.py counterparts (kept local to avoid cross-tool private import). Wire-in is one insertion point in transcribe_audio() after the xai elif and before the plugin dispatcher. Plugin dispatcher additionally defensively short-circuits when a same-name command config exists (command-wins-over-plugin invariant). - tests/tools/test_transcription_command_providers.py: 50 new tests covering resolution (builtin precedence, type/command gating, case-insensitive lookup, legacy stt.<name> back-compat), helpers (timeout fallback, format validation, iter, has-any), template rendering (shell-quote contexts, doubled-brace preservation), end-to-end via _transcribe_command_stt (output_path read, stdout fallback, timeout, nonzero exit envelope, model override, language precedence), and dispatcher integration via the real transcribe_audio() including command-wins-over-plugin and builtin-shadow-rejection. - tests/plugins/transcription/check_parity_vs_main.py: extended from 10 to 13 scenarios. New cases: command-provider-installed, command-vs-plugin-same-name (verifies command wins precedence), explicit-openai-with-command-shadow (verifies built-in wins). Adds command_provider dispatch_kind detection via transcript prefix (CMD: vs PLUGIN:) so command-provider scenarios can be distinguished from plugin scenarios even when sharing a provider name. - website/docs/user-guide/features/tts.md: new 'STT custom command providers' section symmetric to the TTS section — example config, placeholder grammar table (input_path / output_path / output_dir / format / language / model), transcript-read-back semantics (file first, then stdout fallback), optional keys table, behavior notes, security note. Updated 'Python plugin providers (STT)' to include the new 'When to pick which (STT)' decision table and updated resolution-order section (now 4 layers instead of 3). Verification ------------ 189/189 STT targeted tests + 50/50 new command-provider tests pass. Combined sweep: tests/tools/ 5576/5576, tests/agent/ + tests/hermes_cli/ 8623/8623 — zero regressions across 14,199 tests. Parity harness: 13 scenarios, 9 OK + 4 expected diffs (no_provider_error → plugin, plugin_unavailable, command_provider × 2). E2E live-verified in an isolated HERMES_HOME with a real .wav file: command: → dispatched to stt.providers.my-fake-cli plugin: → dispatched to registered TranscriptionProvider command-wins-over-plugin: → command provider beats same-name plugin builtin-wins-over-command: → built-in OpenAI handler fires; stt.providers.openai: type: command does NOT hijack it. |
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| user-guide | ||
| index.mdx | ||
| user-stories.mdx | ||