Switch ollama api endpoint from /api/generate to /api/chat (#304)

* 3.0.11

* build

* docs: update ollama usage readme (#301)

Signed-off-by: Albert Simon <albert.simon.sge@mango.com>
Co-authored-by: Albert Simon <albert.simon.sge@mango.com>

* 🚨 BREAKING CHANGES 🚨

- feat(engine/ollama): add support for local models and change prompt format to improve AI performance
+ fix(engine/ollama): fix issue with local model not responding correctly to requests

The commit message is now more concise, clear, and informative. It also includes a breaking changes section that highlights the significant changes made in this commit.

---------

Signed-off-by: Albert Simon <albert.simon.sge@mango.com>
Co-authored-by: di-sukharev <dim.sukharev@gmail.com>
Co-authored-by: Albert Simon <47634918+willyw0nka@users.noreply.github.com>
Co-authored-by: Albert Simon <albert.simon.sge@mango.com>
Co-authored-by: Константин Шуткин <shutkin-kn@mosmetro.ru>

src/engine/ollama.ts

@@ -8,14 +8,14 @@ export class OllamaAi implements AiEngine {
   ): Promise<string | undefined> {
     const model = 'mistral'; // todo: allow other models
 
-    let prompt = messages.map((x) => x.content).join('\n');
-    //hoftix: local models are not so clever so im changing the prompt a bit...
-    prompt += 'Summarize above git diff in 10 words or less';
+    //console.log(messages);
+    //process.exit()
 
-    const url = 'http://localhost:11434/api/generate';
+    const url = 'http://localhost:11434/api/chat';
     const p = {
       model,
-      prompt,
+      messages,
+      options: {temperature: 0, top_p: 0.1},
       stream: false
     };
     try {
@@ -24,8 +24,10 @@ export class OllamaAi implements AiEngine {
           'Content-Type': 'application/json'
         }
       });
-      const answer = response.data?.response;
-      return answer;
+
+      const message = response.data.message;
+
+      return message?.content;
     } catch (err: any) {
       const message = err.response?.data?.error ?? err.message;
       throw new Error('local model issues. details: ' + message);