{
  "schemaVersion": "1.0",
  "contractVersion": "2.0.0",
  "observedAt": "2026-09-04",
  "purpose": "M0 compatibility baseline for the Tauri adapter and the Linux egui host",
  "sourceOfTruth": {
    "commands": "openless-all/app/src-tauri/src/lib.rs app_invoke_handler_* macros",
    "reactEvents": "openless-all/app/src/**/*.ts openless-all/app/src/**/*.tsx",
    "tauriEvents": "openless-all/app/src-tauri/src/**/*.rs",
    "coreContract": "docs/linux-egui-backend-contract.md"
  },
  "platformDecision": {
    "windows": "tauri",
    "macos": "tauri",
    "android": "tauri-mobile",
    "linux": "egui",
    "coreCallModel": "in-process typed Rust calls",
    "workspaceIsolation": "root workspace contains openless-core and openless-linux-egui only; Tauri and backend compatibility tests use independent manifests and lockfiles"
  },
  "commands": [
    "accept_pending_correction",
    "add_correction_rule",
    "add_vocab",
    "app_check_update_with_channel",
    "app_download_and_install_android_update",
    "cancel_dictation",
    "cancel_selection_polish_preview",
    "cancel_selection_voice_intent_prompt",
    "chat_panel_focus_keyboard",
    "check_accessibility_permission",
    "check_microphone_permission",
    "check_network",
    "clear_history",
    "coding_agent_cancel_test",
    "coding_agent_command_risk",
    "coding_agent_detect",
    "coding_agent_detect_cli",
    "coding_agent_detect_opencode",
    "coding_agent_list_opencode_models",
    "coding_agent_run_test",
    "confirm_selection_polish_preview",
    "confirm_selection_voice_intent_prompt",
    "confirm_selection_voice_preview",
    "copy_text_to_clipboard",
    "create_channel",
    "create_style_pack_from_template",
    "debug_read_cursor_context",
    "delete_channel",
    "delete_channel_if_blank",
    "delete_history_entry",
    "delete_style_pack",
    "dismiss_insert_fallback_card",
    "dismiss_vocab_suggestions",
    "export_audio_recording",
    "export_error_log",
    "export_style_pack_to_zip",
    "fetch_latest_beta_release",
    "foundry_local_asr_cancel_prepare",
    "foundry_local_asr_catalog",
    "foundry_local_asr_delete_model",
    "foundry_local_asr_model_dir",
    "foundry_local_asr_prepare",
    "foundry_local_asr_release",
    "foundry_local_asr_reveal_model_dir",
    "foundry_local_asr_set_language_hint",
    "foundry_local_asr_set_model",
    "foundry_local_asr_set_runtime_source",
    "foundry_local_asr_status",
    "get_activity_stats",
    "get_android_accessibility_status",
    "get_android_overlay_status",
    "get_android_shizuku_status",
    "get_credentials",
    "get_default_style_system_prompts",
    "get_hotkey_capability",
    "get_hotkey_status",
    "get_platform_capabilities",
    "get_qa_hotkey_label",
    "get_remote_input_status",
    "get_startup_snapshot",
    "get_selection_polish_preview",
    "get_selection_voice_intent_prompt",
    "get_selection_voice_preview",
    "get_settings",
    "get_update_channel",
    "get_windows_ime_status",
    "github_device_flow_cancel",
    "github_device_flow_poll",
    "github_device_flow_start",
    "handle_window_hotkey_event",
    "hide_android_overlay",
    "import_style_pack_from_zip",
    "inject_hotkey_click_for_dev",
    "less_computer_approve",
    "less_computer_submit_text",
    "less_computer_sync",
    "less_computer_window_dismiss",
    "less_computer_window_open",
    "list_channels",
    "list_correction_rules",
    "list_history",
    "list_local_ips",
    "list_microphone_devices",
    "list_provider_descriptors",
    "list_provider_models",
    "list_style_packs",
    "list_vocab",
    "list_vocab_presets",
    "local_asr_activate",
    "local_asr_cancel_download",
    "local_asr_delete_model",
    "local_asr_download_model",
    "local_asr_engine_status",
    "local_asr_fetch_hf_card",
    "local_asr_fetch_remote_info",
    "local_asr_get_settings",
    "local_asr_list_models",
    "local_asr_model_dir",
    "local_asr_preload",
    "local_asr_release_engine",
    "local_asr_reveal_model_dir",
    "local_asr_reveal_models_root",
    "local_asr_set_active_model",
    "local_asr_set_keep_loaded_secs",
    "local_asr_set_mirror",
    "local_asr_set_models_base_dir",
    "local_asr_storage_settings",
    "local_asr_test_model",
    "log_client_error",
    "marketplace_auth_status",
    "marketplace_delete",
    "marketplace_detail",
    "marketplace_download",
    "marketplace_install",
    "marketplace_like",
    "marketplace_list",
    "marketplace_logout",
    "marketplace_my_likes",
    "marketplace_my_packs",
    "marketplace_upload",
    "open_external_url",
    "open_shizuku_app",
    "open_system_settings",
    "preview_style_pack_runtime",
    "qa_set_edit_instruction_mode",
    "qa_submit_text",
    "qa_toggle_recording",
    "qa_window_dismiss",
    "read_audio_recording",
    "read_credential",
    "record_channel_test",
    "recover_android_accessibility",
    "regenerate_remote_pin",
    "reject_pending_correction",
    "remove_correction_rule",
    "remove_vocab",
    "rename_channel",
    "reorder_channels",
    "repolish",
    "report_insert_fallback_card_height",
    "request_accessibility_permission",
    "request_android_accessibility_permission",
    "request_android_overlay_permission",
    "request_android_shizuku_permission",
    "request_microphone_permission",
    "reset_builtin_style_pack",
    "reset_accessibility_permission_and_restart_app",
    "restart_app",
    "retranscribe_recording",
    "revert_selection_voice_preview",
    "run_selection_polish_for_dev",
    "save_style_pack",
    "save_vocab_presets",
    "set_active_asr_provider",
    "set_active_llm_provider",
    "set_active_omni_provider",
    "set_active_style_pack",
    "set_channel_enabled",
    "set_channel_provider_type",
    "set_combo_hotkey",
    "set_correction_rule_enabled",
    "set_credential",
    "set_default_polish_mode",
    "set_dictation_hotkey",
    "set_open_app_hotkey",
    "set_qa_hotkey",
    "set_remote_locale",
    "set_selection_polish_hotkey",
    "set_settings",
    "set_shortcut_recording_active",
    "set_style_enabled",
    "set_style_pack_enabled",
    "set_style_pack_hotkeys",
    "set_switch_style_hotkey",
    "set_translation_hotkey",
    "set_update_channel",
    "set_vocab_enabled",
    "sherpa_onnx_asr_cancel_download",
    "sherpa_onnx_asr_cancel_prepare",
    "sherpa_onnx_asr_catalog",
    "sherpa_onnx_asr_delete_model",
    "sherpa_onnx_asr_download_model",
    "sherpa_onnx_asr_fetch_remote_info",
    "sherpa_onnx_asr_model_dir",
    "sherpa_onnx_asr_prepare",
    "sherpa_onnx_asr_release",
    "sherpa_onnx_asr_reveal_model_dir",
    "sherpa_onnx_asr_set_language_hint",
    "sherpa_onnx_asr_set_model",
    "sherpa_onnx_asr_status",
    "show_android_overlay",
    "start_dictation",
    "start_microphone_level_monitor",
    "stop_dictation",
    "stop_microphone_level_monitor",
    "trigger_microphone_prompt",
    "validate_combo_hotkey",
    "validate_provider_credentials",
    "validate_shortcut_binding"
  ],
  "commandOwnershipRules": {
    "coreCandidates": [
      "dictation",
      "settings",
      "credentials-status",
      "providers",
      "history",
      "vocabulary",
      "style-packs",
      "local-asr",
      "selection",
      "qa",
      "remote-input",
      "marketplace",
      "coding-agent"
    ],
    "hostOnly": [
      "window/tray/focus/drag",
      "clipboard and system settings launch",
      "permission prompts",
      "Android overlay/JNI/Shizuku",
      "Tauri updater/dialog/shell/autostart/single-instance"
    ],
    "rule": "A command is a Tauri adapter until its use-case is implemented by openless-core; UI/window side effects never move into core."
  },
  "events": [
    "android-update:progress",
    "capsule:state",
    "chat-panel:closing",
    "chat-panel:shown",
    "coding-agent:test",
    "credentials:changed",
    "fn-shortcut-pressed",
    "foundry-local-asr-prepare-progress",
    "insert:fallback",
    "less-computer-glow:active",
    "less-computer:event",
    "local-asr-download-progress",
    "local-asr-token",
    "local-asr:engine-changed",
    "microphone:devices-changed",
    "microphone:level",
    "prefs:changed",
    "qa:dismiss",
    "qa:level",
    "qa:state",
    "remote-input:error",
    "remote-input:running",
    "remote:result",
    "selection-polish-preview:shown",
    "selection-voice-intent:shown",
    "sherpa-onnx-asr-download-progress",
    "sherpa-onnx-asr-prepare-progress",
    "tauri://resize",
    "vocab:suggested",
    "vocab:updated"
  ],
  "eventOwnership": {
    "coreSemantic": {
      "capsule:state": "map DictationStateChanged and DictationCompleted to the legacy capsule payload",
      "coding-agent:test": "map CodingAgentTest typed stream events",
      "credentials:changed": "map CredentialsChanged",
      "foundry-local-asr-prepare-progress": "map LocalAsrPrepareProgress for the Foundry runtime",
      "insert:fallback": "map InsertFallback; Tauri retains capsule-window presentation",
      "less-computer:event": "map typed LessComputerEvent payloads",
      "local-asr-download-progress": "map DownloadProgress after local-ASR adapter migration",
      "local-asr-token": "map session-scoped TranscriptDelta",
      "local-asr:engine-changed": "map LocalAsrEngineChanged",
      "microphone:devices-changed": "map MicrophoneDevicesChanged as an invalidation signal",
      "prefs:changed": "map PreferencesChanged",
      "qa:level": "map session-scoped QaLevel while dropping the internal session id from the legacy payload",
      "qa:state": "map typed QaState payloads",
      "remote-input:error": "map RemoteInputFailed without a PIN or credential value",
      "remote-input:running": "map RemoteInputStatusChanged without a PIN or credential value",
      "remote:result": "retired global broadcast: remote-server subscribes directly to owner-scoped Core events; the H5 result message remains compatible",
      "sherpa-onnx-asr-download-progress": "map LocalAsrDownloadProgress for the sherpa-onnx runtime",
      "sherpa-onnx-asr-prepare-progress": "map LocalAsrPrepareProgress for the sherpa-onnx runtime",
      "vocab:suggested": "map VocabularySuggestionsChanged",
      "vocab:updated": "map VocabularyChanged as an invalidation signal"
    },
    "tauriHost": {
      "android-update:progress": "Android Tauri updater progress",
      "chat-panel:closing": "WebView exit animation",
      "chat-panel:shown": "WebView entry animation",
      "fn-shortcut-pressed": "physical-host shortcut capture",
      "less-computer-glow:active": "WebView GPU/presentation lifecycle",
      "microphone:level": "host-owned settings-page microphone monitor",
      "qa:dismiss": "Android/Tauri window dismissal",
      "selection-polish-preview:shown": "Tauri window presentation",
      "selection-voice-intent:shown": "Tauri window presentation",
      "tauri://resize": "framework window event"
    },
    "migrationRequired": {}
  },
  "coreEventKinds": [
    "backend_started",
    "backend_stopping",
    "dictation_state_changed",
    "transcript_delta",
    "polish_delta",
    "dictation_completed",
    "recording_control_requested",
    "selection_state_changed",
    "selection_voice_state_changed",
    "insert_fallback",
    "preferences_changed",
    "credentials_changed",
    "history_changed",
    "vocabulary_changed",
    "style_packs_changed",
    "download_progress",
    "permission_changed",
    "hotkey_status_changed",
    "notification",
    "coding_agent_test",
    "less_computer_event",
    "local_asr_prepare_progress",
    "local_asr_download_progress",
    "local_asr_engine_changed",
    "microphone_devices_changed",
    "qa_level",
    "qa_state",
    "remote_input_status_changed",
    "remote_input_failed",
    "vocabulary_suggestions_changed"
  ],
  "domainInterfaces": [
    "ProviderApi",
    "LocalAsrApi",
    "SelectionApi",
    "QaApi",
    "RemoteInputApi",
    "MarketplaceApi",
    "CodingAgentApi",
    "PlatformApi"
  ],
  "capabilities": {
    "coreFields": [
      "platform",
      "supportsDesktopHotkey",
      "supportsTray",
      "supportsOverlay",
      "supportsImeInput",
      "supportsLocalAsr",
      "supportsAutoUpdate"
    ],
    "hostStatusFields": [
      "microphonePermission",
      "accessibilityPermission",
      "microphoneDevice",
      "fcitx5Insertion",
      "x11OrWayland",
      "resourceLayout",
      "singleInstance",
      "updater"
    ],
    "linuxMatrix": [
      "x11",
      "wayland",
      "fcitx5-ready",
      "fcitx5-missing",
      "tray-available",
      "tray-unavailable",
      "microphone-granted",
      "microphone-denied",
      "microphone-no-device",
      "updater-supported",
      "updater-unsupported"
    ]
  },
  "compatibilityRules": {
    "legacyTauriNames": "remain in the Tauri adapter only",
    "coreSerialization": "serde camelCase DTOs and stable snake_case event tags",
    "secretHandling": "credential values, authorization headers and PINs never appear in DTOs/events/errors/logs",
    "sequence": "core event sequence starts at 1 and is strictly increasing per backend instance",
    "laggedSubscription": "UI must resync from snapshot/query after a lagged receiver error",
    "breakingChange": "increment contractVersion and document a migration",
    "additiveChange": "new optional fields require a default"
  },
  "counts": {
    "tauriCommandsObserved": 199,
    "legacyEventsObserved": 30,
    "coreEventKindsDefined": 30
  },
  "implementationStatus": {
    "sharedRepositories": "preferences, history, activity, vocabulary, correction, style packs",
    "sharedCredentialContract": "CredentialDirectory owns provider channel mutation, ordering and active selection; Host stores metadata and SecretValue",
    "complexDomains": "stable interfaces exist; Linux production injects QA, Remote Input, Selection, Provider, Model and Coding Agent adapters",
    "linuxAdapters": "credentials/provider UI, resources, packaged Qwen runtime, fcitx5 insertion/hotkeys/selection preview, capabilities, cpal recording, QA, TLS Remote Input, host actions, single-instance intent broker and native runtime lifecycle",
    "releaseGate": "Linux release requires successful artifacts and real Ubuntu audio, focus/input, install, upgrade, and rollback evidence"
  },
  "status": "all 30 legacy events and 30 Core events are classified under contract 2.0.0; real-platform release evidence remains gated"
}