fix: 支援不接受 system role 的模型（DeepSeek-R1）

.gitea/workflows/review.yaml

@@ -28,8 +28,9 @@ jobs:
     - name: AI Code Review
       uses: https://gitea.jsc.idv.tw/jiantw83/code-review@v${{ needs.version.outputs.version }}
       with:
-        OLLAMA_BASE_URL: ${{ vars.OLLAMA_BASE_URL }}
-        OLLAMA_MODEL: ${{ vars.OLLAMA_MODEL }}
+        OPENAI_API_KEY: ${{ secrets.HF_API_KEY }}
+        OPENAI_BASE_URL: https://router.huggingface.co/novita/v1
+        OPENAI_MODEL: deepseek-ai/DeepSeek-R1
     permissions:
       contents: write
       pull-requests: write

app/gitea.js

@@ -1,15 +1,17 @@
 import axios from 'axios';
+import https from 'https';
 import { GITEA_TOKEN, GITEA_SERVER_URL, GITEA_REPOSITORY, PR_NUMBER } from './config.js';
 
+const httpsAgent = new https.Agent({ rejectUnauthorized: false });
 const headers = () => ({ Authorization: `token ${GITEA_TOKEN}`, 'Content-Type': 'application/json' });
 const api = (path) => `${GITEA_SERVER_URL.replace(/\/$/, '')}/api/v1${path}`;
 
 export async function getPRDiff() {
-  const resp = await axios.get(api(`/repos/${GITEA_REPOSITORY}/pulls/${PR_NUMBER}.diff`), { headers: headers(), timeout: 60000 });
+  const resp = await axios.get(api(`/repos/${GITEA_REPOSITORY}/pulls/${PR_NUMBER}.diff`), { headers: headers(), timeout: 60000, httpsAgent });
   return resp.data;
 }
 
 export async function postComment(body) {
-  const resp = await axios.post(api(`/repos/${GITEA_REPOSITORY}/issues/${PR_NUMBER}/comments`), { body }, { headers: headers(), timeout: 30000 });
+  const resp = await axios.post(api(`/repos/${GITEA_REPOSITORY}/issues/${PR_NUMBER}/comments`), { body }, { headers: headers(), timeout: 30000, httpsAgent });
   return resp.data;
 }

app/llm.js

@@ -1,6 +1,9 @@
 import axios from 'axios';
+import https from 'https';
 import { getLLMConfig } from './config.js';
 
+const httpsAgent = new https.Agent({ rejectUnauthorized: false });
+
 export async function chat(systemPrompt, userContent) {
   const { provider, apiKey, baseURL, model } = getLLMConfig();
   if (!provider) throw new Error('未設定任何 LLM API Key');
@@ -13,10 +16,17 @@ export async function chat(systemPrompt, userContent) {
   };
   if (provider === 'claude') headers['anthropic-version'] = '2023-06-01';
 
+  // 部分模型（如 DeepSeek-R1）不支援 system role，改合併到 user message
+  const NO_SYSTEM_ROLE_MODELS = ['deepseek-ai/deepseek-r1', 'deepseek-r1'];
+  const isNoSystemRole = NO_SYSTEM_ROLE_MODELS.some(m => model.toLowerCase().includes(m.toLowerCase()));
+  const messages = isNoSystemRole
+    ? [{ role: 'user', content: `${systemPrompt}\n\n${userContent}` }]
+    : [{ role: 'system', content: systemPrompt }, { role: 'user', content: userContent }];
+
   const resp = await axios.post(
     `${baseURL.replace(/\/$/, '')}/chat/completions`,
-    { model, messages: [{ role: 'system', content: systemPrompt }, { role: 'user', content: userContent }], temperature: 0.2 },
-    { headers, timeout: 120000 }
+    { model, messages, temperature: 0.2 },
+    { headers, timeout: 120000, httpsAgent }
   );
   return resp.data.choices[0].message.content;
 }