Initial commit

2026-02-03 17:20:06 -05:00
commit 701e387a5b
16 changed files with 3453 additions and 0 deletions
--- a/frontend/js/api.js
+++ b/frontend/js/api.js
@@ -0,0 +1,98 @@
+/**
+ * Chat Switchboard - API Module
+ * Handles communication with LLM backends
+ */
+
+const API = {
+    /**
+     * Fetch available models from endpoint
+     */
+    async fetchModels(endpoint, apiKey) {
+        const response = await fetch(endpoint.replace(/\/$/, '') + '/models', {
+            headers: {
+                'Authorization': `Bearer ${apiKey}`,
+                'Content-Type': 'application/json'
+            }
+        });
+        
+        if (!response.ok) {
+            throw new Error(`API Error: ${response.status}`);
+        }
+        
+        const data = await response.json();
+        const models = data.data || data.models || data || [];
+        
+        return Array.isArray(models) 
+            ? models.map(m => ({
+                id: m.id || m.name || m,
+                owned_by: m.owned_by || null
+            })).sort((a, b) => a.id.localeCompare(b.id))
+            : [];
+    },
+
+    /**
+     * Send chat completion request
+     */
+    async sendMessage(settings, messages, onChunk = null) {
+        const endpoint = settings.apiEndpoint.replace(/\/$/, '') + '/chat/completions';
+        
+        const controller = new AbortController();
+        
+        const response = await fetch(endpoint, {
+            method: 'POST',
+            headers: {
+                'Content-Type': 'application/json',
+                'Authorization': `Bearer ${settings.apiKey}`
+            },
+            body: JSON.stringify({
+                model: settings.model,
+                messages: messages.map(m => ({ role: m.role, content: m.content })),
+                max_tokens: settings.maxTokens,
+                temperature: settings.temperature,
+                top_p: settings.topP,
+                presence_penalty: settings.presencePenalty,
+                stream: settings.stream
+            }),
+            signal: controller.signal
+        });
+
+        if (!response.ok) {
+            const error = await response.text();
+            throw new Error(`API Error: ${response.status} - ${error}`);
+        }
+
+        let content = '';
+
+        if (settings.stream && onChunk) {
+            const reader = response.body.getReader();
+            const decoder = new TextDecoder();
+            
+            while (true) {
+                const { done, value } = await reader.read();
+                if (done) break;
+                
+                const chunk = decoder.decode(value);
+                const lines = chunk.split('\n');
+                
+                for (const line of lines) {
+                    if (line.startsWith('data: ')) {
+                        const data = line.slice(6);
+                        if (data === '[DONE]') continue;
+                        
+                        try {
+                            const parsed = JSON.parse(data);
+                            const delta = parsed.choices?.[0]?.delta?.content || '';
+                            content += delta;
+                            onChunk(content, delta);
+                        } catch (e) {}
+                    }
+                }
+            }
+        } else {
+            const data = await response.json();
+            content = data.choices?.[0]?.message?.content || 'No response';
+        }
+
+        return { content, controller };
+    }
+};