feat(transcription): [2f388f42] integrate prompt database and AI insights

Implements the core functionality for the AI-powered analysis of meeting transcripts in the Transcription Tool.

This commit introduces a new 'AI Insights' feature that allows users to generate various summaries and analyses from a transcript on demand.

- Creates a  to manage and version different AI prompts for tasks like generating meeting minutes, extracting action items, and creating sales summaries.
- Adds a new  responsible for orchestrating the analysis process: fetching the transcript, calling the Gemini API with the appropriate prompt, and caching the results in the database.
- Extends the FastAPI backend with a new endpoint  to trigger the insight generation.
- Updates the React frontend () with a new 'AI Insights' panel, including buttons to trigger the analyses and a modal to display the results.
- Updates the documentation () to reflect the new features, API endpoints, and version.

transcription-tool/backend/prompt_library.py

@@ -0,0 +1,113 @@
+
+MEETING_MINUTES_PROMPT = """
+You are a professional assistant specialized in summarizing meeting transcripts.
+Your task is to create a formal and structured protocol (Meeting Minutes) from the provided transcript.
+
+Please analyze the following transcript and generate the Meeting Minutes in German.
+
+**Transcript:**
+---
+{transcript_text}
+---
+
+**Instructions for the Meeting Minutes:**
+
+1.  **Header:**
+    *   Start with a clear title: "Meeting-Protokoll".
+    *   Add a placeholder for the meeting date: "Datum: [Datum des Meetings]".
+
+2.  **Agenda Items:**
+    *   Identify the main topics discussed.
+    *   Structure the protocol using these topics as headlines (e.g., "Tagesordnungspunkt 1: [Thema]").
+
+3.  **Key Discussions & Decisions:**
+    *   For each agenda item, summarize the key points of the discussion.
+    *   Clearly list all decisions that were made. Use a format like "**Entscheidung:** ...".
+
+4.  **Action Items (Next Steps):**
+    *   Extract all clear tasks or action items.
+    *   For each action item, identify the responsible person (Owner) and the deadline, if mentioned.
+    *   Present the action items in a clear list under a headline "Nächste Schritte / Action Items". Use the format: "- [Aufgabe] (Verantwortlich: [Person], Fällig bis: [Datum/unbestimmt])".
+
+5.  **General Tone & Language:**
+    *   The protocol must be written in formal, professional German.
+    *   Be concise and focus on the essential information (discussions, decisions, tasks).
+    *   Do not invent information that is not present in the transcript.
+
+Please provide the output in Markdown format.
+"""
+
+ACTION_ITEMS_PROMPT = """
+You are a highly efficient assistant focused on productivity and task management.
+Your goal is to extract all actionable tasks (Action Items) from a meeting transcript.
+
+Please analyze the following transcript and list all tasks.
+
+**Transcript:**
+---
+{transcript_text}
+---
+
+**Instructions for the Action Item List:**
+
+1.  **Extraction:**
+    *   Carefully read the entire transcript and identify every statement that constitutes a task, a to-do, or a commitment to do something.
+    *   Ignore general discussions, opinions, and status updates. Focus only on future actions.
+
+2.  **Format:**
+    *   Present the extracted tasks as a bulleted list.
+    *   For each task, clearly state:
+        *   **What** needs to be done.
+        *   **Who** is responsible for it (Owner).
+        *   **When** it should be completed by (Due Date), if mentioned.
+
+3.  **Output Structure:**
+    *   Use the following format for each item: `- [Task Description] (Owner: [Person's Name], Due: [Date/unspecified])`
+    *   If the owner or due date is not explicitly mentioned, use "[unbestimmt]".
+    *   The list should be titled "Action Item Liste".
+
+4.  **Language:**
+    *   The output should be in German.
+
+Please provide the output in Markdown format.
+"""
+
+SALES_SUMMARY_PROMPT = """
+You are a Senior Sales Manager analyzing a meeting transcript from a client conversation.
+Your objective is to create a concise, rollenbasierte Zusammenfassung for the sales team. The summary should highlight key information relevant to closing a deal.
+
+Please analyze the following transcript and generate a Sales Summary.
+
+**Transcript:**
+---
+{transcript_text}
+---
+
+**Instructions for the Sales Summary:**
+
+1.  **Customer Needs & Pain Points:**
+    *   Identify and list the core problems, challenges, and needs expressed by the client.
+    *   What are their primary business goals?
+
+2.  **Buying Signals:**
+    *   Extract any phrases or questions that indicate a strong interest in the product/service (e.g., questions about price, implementation, specific features).
+
+3.  **Key Decision-Makers:**
+    *   Identify the people in the meeting who seem to have the most influence on the purchasing decision. Note their role or title if mentioned.
+
+4.  **Budget & Timeline:**
+    *   Note any mentions of budget, pricing expectations, or the timeline for their decision-making process.
+
+5.  **Next Steps (from a Sales Perspective):**
+    *   What are the immediate next actions the sales team needs to take to move this deal forward? (e.g., "Send proposal," "Schedule demo for the technical team").
+
+**Output Format:**
+*   Use clear headings for each section (e.g., "Kundenbedürfnisse & Pain Points", "Kaufsignale").
+*   Use bullet points for lists.
+*   The language should be direct, actionable, and in German.
+
+Please provide the output in Markdown format.
+"""
+
+# You can add more prompts here for other analysis types.
+# For example, a prompt for a technical summary, a marketing summary, etc.