feat: add Cobra CLI, LSP/MCP registries, workflow engine, and enriched dashboard

Major changes:
- Refactor CLI entry point to Cobra commands (root, setup, scan, doctor, install, update, lsp, mcp, skills, config, version)
- Add LSP registry with health checks, auto-install, and editor config generation
- Add MCP registry with editor detection, status tracking, and per-editor configuration
- Add workflow engine with planner and step execution for automated task chains
- Add conversation search, export (Markdown/JSON), and detailed token counting
- Add streaming shell chat handler with tool call/result events
- Add skill validation, dry-run testing, and export endpoints
- Enrich dashboard with Tools/Activity/Status tabs and tool cards grid
- Add PRD documentation
- Complete i18n for both EN and FR

💘 Generated with Crush

Assisted-by: GLM-5.1 via Crush <crush@charm.land>

internal/orchestrator/orchestrator.go

@@ -158,48 +158,9 @@ func (o *Orchestrator) Send(userMessage string) (string, error) {
 	}
 	o.histMu.Unlock()
 
-	body, err := json.Marshal(reqBody)
+	chatResp, providerName, err := o.sendWithFallback(reqBody, "")
 	if err != nil {
-		return "", fmt.Errorf("marshal request: %w", err)
-	}
-
-	baseURL := o.provider.BaseURL
-	if baseURL == "" {
-		baseURL = getProviderBaseURL(o.provider.Name)
-	}
-
-	url := strings.TrimRight(baseURL, "/") + "/chat/completions"
-
-	req, err := http.NewRequest("POST", url, bytes.NewReader(body))
-	if err != nil {
-		return "", fmt.Errorf("create request: %w", err)
-	}
-
-	req.Header.Set("Content-Type", "application/json")
-	req.Header.Set("Authorization", "Bearer "+o.provider.APIKey)
-
-	resp, err := o.client.Do(req)
-	if err != nil {
-		return "", fmt.Errorf("send request: %w", err)
-	}
-	defer resp.Body.Close()
-
-	respBody, err := io.ReadAll(resp.Body)
-	if err != nil {
-		return "", fmt.Errorf("read response: %w", err)
-	}
-
-	if resp.StatusCode != http.StatusOK {
-		return "", fmt.Errorf("API error (%d): %s", resp.StatusCode, string(respBody))
-	}
-
-	var chatResp ChatResponse
-	if err := json.Unmarshal(respBody, &chatResp); err != nil {
-		return "", fmt.Errorf("parse response: %w", err)
-	}
-
-	if len(chatResp.Choices) == 0 {
-		return "", fmt.Errorf("no response from AI")
+		return "", err
 	}
 
 	content := cleanAIResponse(chatResp.Choices[0].Message.Content)
@@ -208,6 +169,7 @@ func (o *Orchestrator) Send(userMessage string) (string, error) {
 		Role:    "assistant",
 		Content: content,
 	})
+	_ = providerName
 	o.histMu.Unlock()
 
 	return content, nil
@@ -326,51 +288,16 @@ func (o *Orchestrator) SendWithTools(messages []Message) (*ChatResponse, error)
 		Tools:    o.tools,
 	}
 
-	body, err := json.Marshal(reqBody)
+	chatResp, _, err := o.sendWithFallback(reqBody, "")
 	if err != nil {
-		return nil, fmt.Errorf("marshal request: %w", err)
-	}
-
-	baseURL := o.provider.BaseURL
-	if baseURL == "" {
-		baseURL = getProviderBaseURL(o.provider.Name)
-	}
-
-	url := strings.TrimRight(baseURL, "/") + "/chat/completions"
-
-	req, err := http.NewRequest("POST", url, bytes.NewReader(body))
-	if err != nil {
-		return nil, fmt.Errorf("create request: %w", err)
-	}
-
-	req.Header.Set("Content-Type", "application/json")
-	req.Header.Set("Authorization", "Bearer "+o.provider.APIKey)
-
-	resp, err := o.client.Do(req)
-	if err != nil {
-		return nil, fmt.Errorf("send request: %w", err)
-	}
-	defer resp.Body.Close()
-
-	respBody, err := io.ReadAll(resp.Body)
-	if err != nil {
-		return nil, fmt.Errorf("read response: %w", err)
-	}
-
-	if resp.StatusCode != http.StatusOK {
-		return nil, fmt.Errorf("API error (%d): %s", resp.StatusCode, string(respBody))
-	}
-
-	var chatResp ChatResponse
-	if err := json.Unmarshal(respBody, &chatResp); err != nil {
-		return nil, fmt.Errorf("parse response: %w", err)
+		return nil, err
 	}
 
 	if len(chatResp.Choices) == 0 {
 		return nil, fmt.Errorf("no response from AI")
 	}
 
-	return &chatResp, nil
+	return chatResp, nil
 }
 
 func cleanAIResponse(content string) string {
@@ -411,3 +338,94 @@ func getProviderBaseURL(name string) string {
 		return ""
 	}
 }
+
+func (o *Orchestrator) getAvailableProviders() []*config.AIProvider {
+	var providers []*config.AIProvider
+	for i := range o.config.AI.Providers {
+		prov := &o.config.AI.Providers[i]
+		if prov.APIKey != "" {
+			providers = append(providers, prov)
+		}
+	}
+	return providers
+}
+
+func (o *Orchestrator) sendWithFallback(reqBody ChatRequest, baseURLOverride string) (*ChatResponse, string, error) {
+	providers := o.getAvailableProviders()
+
+	if len(providers) == 0 {
+		return nil, "", fmt.Errorf("no providers available")
+	}
+
+	providerOrder := make([]*config.AIProvider, 0, len(providers))
+	if o.provider != nil {
+		providerOrder = append(providerOrder, o.provider)
+	}
+	for _, p := range providers {
+		if o.provider == nil || p.Name != o.provider.Name {
+			providerOrder = append(providerOrder, p)
+		}
+	}
+
+	var lastErr error
+	for _, prov := range providerOrder {
+		baseURL := baseURLOverride
+		if baseURL == "" {
+			baseURL = prov.BaseURL
+			if baseURL == "" {
+				baseURL = getProviderBaseURL(prov.Name)
+			}
+		}
+
+		url := strings.TrimRight(baseURL, "/") + "/chat/completions"
+
+		body, err := json.Marshal(reqBody)
+		if err != nil {
+			lastErr = fmt.Errorf("marshal request: %w", err)
+			continue
+		}
+
+		req, err := http.NewRequest("POST", url, bytes.NewReader(body))
+		if err != nil {
+			lastErr = fmt.Errorf("create request: %w", err)
+			continue
+		}
+
+		req.Header.Set("Content-Type", "application/json")
+		req.Header.Set("Authorization", "Bearer "+prov.APIKey)
+
+		resp, err := o.client.Do(req)
+		if err != nil {
+			lastErr = fmt.Errorf("send request to %s: %w", prov.Name, err)
+			continue
+		}
+		defer resp.Body.Close()
+
+		respBody, err := io.ReadAll(resp.Body)
+		if err != nil {
+			lastErr = fmt.Errorf("read response: %w", err)
+			continue
+		}
+
+		if resp.StatusCode != http.StatusOK {
+			lastErr = fmt.Errorf("API error (%d): %s", resp.StatusCode, string(respBody))
+			continue
+		}
+
+		var chatResp ChatResponse
+		if err := json.Unmarshal(respBody, &chatResp); err != nil {
+			lastErr = fmt.Errorf("parse response: %w", err)
+			continue
+		}
+
+		if len(chatResp.Choices) == 0 {
+			lastErr = fmt.Errorf("no response from AI")
+			continue
+		}
+
+		o.provider = prov
+		return &chatResp, prov.Name, nil
+	}
+
+	return nil, "", lastErr
+}