feat: cài đặt tính năng AI cho để prompt

app/static/js/services/aiGateway.js

@@ -129,6 +129,32 @@ const AIGateway = (function() {
     ];
   }
 
+  function buildAIPromptContext(dawState) {
+    const tracks = (dawState.tracks || []).map(t => ({
+      id: t.id,
+      name: t.name,
+      type: t.buffer ? 'audio' : 'empty',
+      hasBuffer: !!t.buffer,
+      clipsCount: t.clips ? t.clips.length : (t.buffer ? 1 : 0),
+      muted: t.muted,
+      solo: t.solo,
+      volumeDb: t.volumeDb ?? 0,
+      pan: t.pan ?? 0
+    }));
+    return {
+      tempo: dawState.bpm || 120,
+      timeSignature: '4/4',
+      selectedTrackId: dawState.selectedTrackId || null,
+      playheadPosition: dawState.currentTime || 0,
+      selection: (dawState.selLeft !== null && dawState.selRight !== null && dawState.selRight > dawState.selLeft) ? {
+        start: parseFloat(dawState.selLeft.toFixed(3)),
+        end: parseFloat(dawState.selRight.toFixed(3)),
+        length: parseFloat((dawState.selRight - dawState.selLeft).toFixed(3))
+      } : null,
+      tracks
+    };
+  }
+
   async function executePrompt({ prompt, provider, model, apiKey, baseUrl, dawContext, tools }) {
     const messages = buildUserMessage(prompt, dawContext);
     const toolList = tools || DEFAULT_TOOLS;
@@ -155,12 +181,40 @@ const AIGateway = (function() {
     };
   }
 
+  async function createMidiItem(args) {
+    return fetch('/api/audio_editor', {
+      method: 'POST',
+      headers: { 'Content-Type': 'application/json' },
+      body: JSON.stringify({ action: 'add_midi', ...args })
+    }).then(r => r.json());
+  }
+
+  async function modifyMidiNotes(args) {
+    return fetch('/api/audio_editor', {
+      method: 'POST',
+      headers: { 'Content-Type': 'application/json' },
+      body: JSON.stringify({ action: 'modify_midi_notes', ...args })
+    }).then(r => r.json());
+  }
+
+  async function processAIDSP(args) {
+    return fetch('/api/ai_dsp_engine', {
+      method: 'POST',
+      headers: { 'Content-Type': 'application/json' },
+      body: JSON.stringify({ action: 'process_ai_dsp', ...args })
+    }).then(r => r.json());
+  }
+
   return {
     DEFAULT_TOOLS,
     callLLM,
     extractFunctionCalls,
     buildUserMessage,
-    executePrompt
+    buildAIPromptContext,
+    executePrompt,
+    createMidiItem,
+    modifyMidiNotes,
+    processAIDSP
   };
 })();
 

app/static/js/services/dawCommandDispatcher.js

@@ -39,7 +39,30 @@ const DAWCommandDispatcher = (function() {
     if (!registry[name]) {
       return { success: false, error: `Unknown command: ${name}` };
     }
-    return registry[name](args);
+    const result = registry[name](args);
+    pushHistory({ name, args, result, timestamp: Date.now() });
+    return result;
+  }
+
+  function getHistory() { return history; }
+  function getHistoryIndex() { return historyIndex; }
+
+  function registerDAWCommands(api) {
+    register('CREATE_TRACK', (args) => api.createTrack(args));
+    register('DELETE_TRACK', (args) => api.deleteTrack(args));
+    register('ADD_CLIP', (args) => api.addClip(args));
+    register('REMOVE_CLIP', (args) => api.removeClip(args));
+    register('SET_TRACK_VOLUME', (args) => api.setTrackVolume(args));
+    register('SET_TRACK_PAN', (args) => api.setTrackPan(args));
+    register('TOGGLE_MUTE', (args) => api.toggleMute(args));
+    register('TOGGLE_SOLO', (args) => api.toggleSolo(args));
+    register('PROCESS_AUDIO_DSP', (args) => api.processAudioDsp(args));
+    register('SET_BPM', (args) => api.setBpm(args));
+    register('SET_PLAYHEAD', (args) => api.setPlayhead(args));
+    register('ADD_MARKER', (args) => api.addMarker(args));
+    register('CREATE_MIDI_ITEM', (args) => AIGateway.createMidiItem(args));
+    register('MODIFY_MIDI_NOTES', (args) => AIGateway.modifyMidiNotes(args));
+    register('PROCESS_AI_DSP', (args) => AIGateway.processAIDSP(args));
   }
 
   return {
@@ -50,8 +73,9 @@ const DAWCommandDispatcher = (function() {
     canUndo,
     canRedo,
     pushHistory,
-    get history() { return history; },
-    get historyIndex() { return historyIndex; }
+    getHistory,
+    getHistoryIndex,
+    registerDAWCommands
   };
 })();