backend/migrations/019_pipeline_system.sql

@@ -0,0 +1,157 @@
+-- Migration 019: Pipeline-System - Konfigurierbare mehrstufige Analysen
+-- Ermöglicht Admin-Verwaltung von Pipeline-Konfigurationen (Issue #28)
+-- Created: 2026-03-25
+
+-- ========================================
+-- 1. Erweitere ai_prompts für Reset-Feature
+-- ========================================
+ALTER TABLE ai_prompts
+ADD COLUMN IF NOT EXISTS is_system_default BOOLEAN DEFAULT FALSE,
+ADD COLUMN IF NOT EXISTS default_template TEXT;
+
+COMMENT ON COLUMN ai_prompts.is_system_default IS 'true = System-Prompt mit Reset-Funktion';
+COMMENT ON COLUMN ai_prompts.default_template IS 'Original-Template für Reset-to-Default';
+
+-- Markiere bestehende Pipeline-Prompts als System-Defaults
+UPDATE ai_prompts
+SET
+  is_system_default = true,
+  default_template = template
+WHERE slug LIKE 'pipeline_%';
+
+-- ========================================
+-- 2. Create pipeline_configs table
+-- ========================================
+CREATE TABLE IF NOT EXISTS pipeline_configs (
+  id UUID PRIMARY KEY DEFAULT uuid_generate_v4(),
+  name VARCHAR(255) NOT NULL UNIQUE,
+  description TEXT,
+  is_default BOOLEAN DEFAULT FALSE,
+  active BOOLEAN DEFAULT TRUE,
+
+  -- Module configuration: which data sources to include
+  modules JSONB NOT NULL DEFAULT '{}'::jsonb,
+  -- Example: {"körper": true, "ernährung": true, "training": true, "schlaf": false}
+
+  -- Timeframes per module (days)
+  timeframes JSONB NOT NULL DEFAULT '{}'::jsonb,
+  -- Example: {"körper": 30, "ernährung": 30, "training": 14}
+
+  -- Stage 1 prompts (parallel execution)
+  stage1_prompts TEXT[] NOT NULL DEFAULT ARRAY[]::TEXT[],
+  -- Example: ARRAY['pipeline_body', 'pipeline_nutrition', 'pipeline_activity']
+
+  -- Stage 2 prompt (synthesis)
+  stage2_prompt VARCHAR(100) NOT NULL,
+  -- Example: 'pipeline_synthesis'
+
+  -- Stage 3 prompt (optional, e.g., goals)
+  stage3_prompt VARCHAR(100),
+  -- Example: 'pipeline_goals'
+
+  created TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP,
+  updated TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP
+);
+
+-- ========================================
+-- 3. Create indexes
+-- ========================================
+CREATE INDEX IF NOT EXISTS idx_pipeline_configs_default ON pipeline_configs(is_default) WHERE is_default = true;
+CREATE INDEX IF NOT EXISTS idx_pipeline_configs_active ON pipeline_configs(active);
+
+-- ========================================
+-- 4. Seed: Standard-Pipeline "Alltags-Check"
+-- ========================================
+INSERT INTO pipeline_configs (
+  name,
+  description,
+  is_default,
+  modules,
+  timeframes,
+  stage1_prompts,
+  stage2_prompt,
+  stage3_prompt
+) VALUES (
+  'Alltags-Check',
+  'Standard-Analyse: Körper, Ernährung, Training über die letzten 2-4 Wochen',
+  true,
+  '{"körper": true, "ernährung": true, "training": true, "schlaf": false, "vitalwerte": false, "mentales": false, "ziele": false}'::jsonb,
+  '{"körper": 30, "ernährung": 30, "training": 14}'::jsonb,
+  ARRAY['pipeline_body', 'pipeline_nutrition', 'pipeline_activity'],
+  'pipeline_synthesis',
+  'pipeline_goals'
+) ON CONFLICT (name) DO NOTHING;
+
+-- ========================================
+-- 5. Seed: Erweiterte Pipelines (optional)
+-- ========================================
+
+-- Schlaf-Fokus Pipeline (wenn Schlaf-Prompts existieren)
+INSERT INTO pipeline_configs (
+  name,
+  description,
+  is_default,
+  modules,
+  timeframes,
+  stage1_prompts,
+  stage2_prompt,
+  stage3_prompt
+) VALUES (
+  'Schlaf & Erholung',
+  'Analyse von Schlaf, Vitalwerten und Erholungsstatus',
+  false,
+  '{"schlaf": true, "vitalwerte": true, "training": true, "körper": false, "ernährung": false, "mentales": false, "ziele": false}'::jsonb,
+  '{"schlaf": 14, "vitalwerte": 7, "training": 14}'::jsonb,
+  ARRAY['pipeline_sleep', 'pipeline_vitals', 'pipeline_activity'],
+  'pipeline_synthesis',
+  NULL
+) ON CONFLICT (name) DO NOTHING;
+
+-- Wettkampf-Analyse (langfristiger Trend)
+INSERT INTO pipeline_configs (
+  name,
+  description,
+  is_default,
+  modules,
+  timeframes,
+  stage1_prompts,
+  stage2_prompt,
+  stage3_prompt
+) VALUES (
+  'Wettkampf-Analyse',
+  'Langfristige Analyse für Wettkampfvorbereitung (90 Tage)',
+  false,
+  '{"körper": true, "training": true, "vitalwerte": true, "ernährung": true, "schlaf": false, "mentales": false, "ziele": true}'::jsonb,
+  '{"körper": 90, "training": 90, "vitalwerte": 30, "ernährung": 60}'::jsonb,
+  ARRAY['pipeline_body', 'pipeline_activity', 'pipeline_vitals', 'pipeline_nutrition'],
+  'pipeline_synthesis',
+  'pipeline_goals'
+) ON CONFLICT (name) DO NOTHING;
+
+-- ========================================
+-- 6. Trigger für updated timestamp
+-- ========================================
+DROP TRIGGER IF EXISTS trigger_pipeline_configs_updated ON pipeline_configs;
+CREATE TRIGGER trigger_pipeline_configs_updated
+  BEFORE UPDATE ON pipeline_configs
+  FOR EACH ROW
+  EXECUTE FUNCTION update_updated_timestamp();
+
+-- ========================================
+-- 7. Constraints & Validation
+-- ========================================
+
+-- Only one default config allowed (enforced via partial unique index)
+CREATE UNIQUE INDEX IF NOT EXISTS idx_pipeline_configs_single_default
+ON pipeline_configs(is_default)
+WHERE is_default = true;
+
+-- ========================================
+-- 8. Comments (Documentation)
+-- ========================================
+COMMENT ON TABLE pipeline_configs IS 'v9f Issue #28: Konfigurierbare Pipeline-Analysen. Admins können mehrere Pipeline-Configs erstellen mit unterschiedlichen Modulen und Zeiträumen.';
+COMMENT ON COLUMN pipeline_configs.modules IS 'JSONB: Welche Module aktiv sind (boolean flags)';
+COMMENT ON COLUMN pipeline_configs.timeframes IS 'JSONB: Zeiträume pro Modul in Tagen';
+COMMENT ON COLUMN pipeline_configs.stage1_prompts IS 'Array von slug-Werten für parallele Stage-1-Prompts';
+COMMENT ON COLUMN pipeline_configs.stage2_prompt IS 'Slug des Synthese-Prompts (kombiniert Stage-1-Ergebnisse)';
+COMMENT ON COLUMN pipeline_configs.stage3_prompt IS 'Optionaler Slug für Stage-3-Prompt (z.B. Zielabgleich)';

backend/models.py

@@ -156,3 +156,33 @@ class PromptGenerateRequest(BaseModel):
     goal: str
     data_categories: list[str]
     example_output: Optional[str] = None
+
+
+# ── Pipeline Config Models (Issue #28) ─────────────────────────────────────
+
+class PipelineConfigCreate(BaseModel):
+    name: str
+    description: Optional[str] = None
+    is_default: bool = False
+    active: bool = True
+    modules: dict  # {"körper": true, "ernährung": true, ...}
+    timeframes: dict  # {"körper": 30, "ernährung": 30, ...}
+    stage1_prompts: list[str]  # Array of slugs
+    stage2_prompt: str  # slug
+    stage3_prompt: Optional[str] = None  # slug
+
+
+class PipelineConfigUpdate(BaseModel):
+    name: Optional[str] = None
+    description: Optional[str] = None
+    is_default: Optional[bool] = None
+    active: Optional[bool] = None
+    modules: Optional[dict] = None
+    timeframes: Optional[dict] = None
+    stage1_prompts: Optional[list[str]] = None
+    stage2_prompt: Optional[str] = None
+    stage3_prompt: Optional[str] = None
+
+
+class PipelineExecuteRequest(BaseModel):
+    config_id: Optional[str] = None  # None = use default config

backend/routers/insights.py

@@ -433,8 +433,17 @@ async def analyze_with_prompt(slug: str, x_profile_id: Optional[str]=Header(defa
 
 
 @router.post("/insights/pipeline")
-async def analyze_pipeline(x_profile_id: Optional[str]=Header(default=None), session: dict=Depends(require_auth)):
+async def analyze_pipeline(
-    """Run 3-stage pipeline analysis."""
+    config_id: Optional[str] = None,
+    x_profile_id: Optional[str] = Header(default=None),
+    session: dict = Depends(require_auth)
+):
+    """
+    Run configurable multi-stage pipeline analysis.
+
+    Args:
+        config_id: Pipeline config ID (optional, uses default if not specified)
+    """
     pid = get_pid(x_profile_id)
 
     # Phase 4: Check pipeline feature access (boolean - enabled/disabled)
@@ -466,14 +475,34 @@ async def analyze_pipeline(x_profile_id: Optional[str]=Header(default=None), ses
                    f"Bitte kontaktiere den Admin oder warte bis zum nächsten Reset."
         )
 
+    # Load pipeline config
+    with get_db() as conn:
+        cur = get_cursor(conn)
+        if config_id:
+            cur.execute("SELECT * FROM pipeline_configs WHERE id=%s AND active=true", (config_id,))
+        else:
+            cur.execute("SELECT * FROM pipeline_configs WHERE is_default=true AND active=true")
+
+        config = r2d(cur.fetchone())
+        if not config:
+            raise HTTPException(404, "Pipeline-Konfiguration nicht gefunden")
+
+        logger.info(f"[PIPELINE] Using config '{config['name']}' (id={config['id']})")
+
     data = _get_profile_data(pid)
     vars = _prepare_template_vars(data)
 
-    # Stage 1: Parallel JSON analyses
+    # Stage 1: Load and execute prompts from config
+    stage1_prompts = []
     with get_db() as conn:
         cur = get_cursor(conn)
-        cur.execute("SELECT slug, template FROM ai_prompts WHERE slug LIKE 'pipeline_%' AND slug NOT IN ('pipeline_synthesis','pipeline_goals') AND active=true")
+        for slug in config['stage1_prompts']:
-        stage1_prompts = [r2d(r) for r in cur.fetchall()]
+            cur.execute("SELECT slug, template FROM ai_prompts WHERE slug=%s AND active=true", (slug,))
+            prompt = r2d(cur.fetchone())
+            if prompt:
+                stage1_prompts.append(prompt)
+            else:
+                logger.warning(f"[PIPELINE] Stage 1 prompt '{slug}' not found or inactive")
 
     stage1_results = {}
     for p in stage1_prompts:
@@ -510,17 +539,20 @@ async def analyze_pipeline(x_profile_id: Optional[str]=Header(default=None), ses
         except:
             stage1_results[slug] = content
 
-    # Stage 2: Synthesis
+    # Stage 2: Synthesis with dynamic placeholders
-    vars['stage1_body'] = json.dumps(stage1_results.get('pipeline_body', {}), ensure_ascii=False)
+    # Inject all stage1 results as {{stage1_<slug>}} placeholders
-    vars['stage1_nutrition'] = json.dumps(stage1_results.get('pipeline_nutrition', {}), ensure_ascii=False)
+    for slug, result in stage1_results.items():
-    vars['stage1_activity'] = json.dumps(stage1_results.get('pipeline_activity', {}), ensure_ascii=False)
+        # Convert slug like "pipeline_body" to placeholder name "stage1_body"
+        placeholder_name = slug.replace('pipeline_', 'stage1_')
+        vars[placeholder_name] = json.dumps(result, ensure_ascii=False) if isinstance(result, dict) else str(result)
 
+    # Load stage 2 prompt from config
     with get_db() as conn:
         cur = get_cursor(conn)
-        cur.execute("SELECT template FROM ai_prompts WHERE slug='pipeline_synthesis' AND active=true")
+        cur.execute("SELECT template FROM ai_prompts WHERE slug=%s AND active=true", (config['stage2_prompt'],))
         synth_row = cur.fetchone()
         if not synth_row:
-            raise HTTPException(500, "Pipeline synthesis prompt not found")
+            raise HTTPException(500, f"Pipeline synthesis prompt '{config['stage2_prompt']}' not found")
 
     synth_prompt = _render_template(synth_row['template'], vars)
 
@@ -548,16 +580,24 @@ async def analyze_pipeline(x_profile_id: Optional[str]=Header(default=None), ses
     else:
         raise HTTPException(500, "Keine KI-API konfiguriert")
 
-    # Stage 3: Goals (only if goals are set)
+    # Stage 3: Optional (e.g., Goals)
     goals_text = None
-    prof = data['profile']
+    if config.get('stage3_prompt'):
-    if prof.get('goal_weight') or prof.get('goal_bf_pct'):
+        # Check if conditions are met (for backwards compatibility with goals check)
-        with get_db() as conn:
+        prof = data['profile']
-            cur = get_cursor(conn)
+        should_run_stage3 = True
-            cur.execute("SELECT template FROM ai_prompts WHERE slug='pipeline_goals' AND active=true")
+
-            goals_row = cur.fetchone()
+        # Special case: goals prompt only runs if goals are set
-            if goals_row:
+        if config['stage3_prompt'] == 'pipeline_goals':
-                goals_prompt = _render_template(goals_row['template'], vars)
+            should_run_stage3 = bool(prof.get('goal_weight') or prof.get('goal_bf_pct'))
+
+        if should_run_stage3:
+            with get_db() as conn:
+                cur = get_cursor(conn)
+                cur.execute("SELECT template FROM ai_prompts WHERE slug=%s AND active=true", (config['stage3_prompt'],))
+                goals_row = cur.fetchone()
+                if goals_row:
+                    goals_prompt = _render_template(goals_row['template'], vars)
 
                 if ANTHROPIC_KEY:
                     import anthropic
@@ -586,11 +626,14 @@ async def analyze_pipeline(x_profile_id: Optional[str]=Header(default=None), ses
     if goals_text:
         final_content += "\n\n" + goals_text
 
-    # Save as 'pipeline' scope (with history - no DELETE)
+    # Save with config-specific scope (with history - no DELETE)
+    scope = f"pipeline_{config['name'].lower().replace(' ', '_')}"
     with get_db() as conn:
         cur = get_cursor(conn)
-        cur.execute("INSERT INTO ai_insights (id, profile_id, scope, content, created) VALUES (%s,%s,'pipeline',%s,CURRENT_TIMESTAMP)",
+        cur.execute("INSERT INTO ai_insights (id, profile_id, scope, content, created) VALUES (%s,%s,%s,%s,CURRENT_TIMESTAMP)",
-            (str(uuid.uuid4()), pid, final_content))
+            (str(uuid.uuid4()), pid, scope, final_content))
+
+    logger.info(f"[PIPELINE] Completed '{config['name']}' - saved as scope='{scope}'")
 
     # Phase 2: Increment ai_calls usage (pipeline uses multiple API calls)
     # Note: We increment once per pipeline run, not per individual call
@@ -599,7 +642,15 @@ async def analyze_pipeline(x_profile_id: Optional[str]=Header(default=None), ses
     # Old usage tracking (keep for now)
     inc_ai_usage(pid)
 
-    return {"scope": "pipeline", "content": final_content, "stage1": stage1_results}
+    return {
+        "scope": scope,
+        "content": final_content,
+        "stage1": stage1_results,
+        "config": {
+            "id": config['id'],
+            "name": config['name']
+        }
+    }
 
 
 @router.get("/ai/usage")

backend/routers/prompts.py

@@ -12,7 +12,10 @@ from fastapi import APIRouter, Depends, HTTPException
 
 from db import get_db, get_cursor, r2d
 from auth import require_auth, require_admin
-from models import PromptCreate, PromptUpdate, PromptGenerateRequest
+from models import (
+    PromptCreate, PromptUpdate, PromptGenerateRequest,
+    PipelineConfigCreate, PipelineConfigUpdate
+)
 from placeholder_resolver import (
     resolve_placeholders,
     get_unknown_placeholders,
@@ -485,3 +488,199 @@ async def optimize_prompt(prompt_id: str, session: dict=Depends(require_admin)):
         )
 
     return analysis
+
+
+# ── Pipeline Config Management (Issue #28) ────────────────────────────────────
+
+@router.get("/pipeline-configs")
+def list_pipeline_configs(session: dict=Depends(require_auth)):
+    """
+    List pipeline configurations.
+    - Admins: see ALL configs
+    - Users: see only active configs
+    """
+    with get_db() as conn:
+        cur = get_cursor(conn)
+        is_admin = session.get('role') == 'admin'
+
+        if is_admin:
+            cur.execute("SELECT * FROM pipeline_configs ORDER BY is_default DESC, name")
+        else:
+            cur.execute("SELECT * FROM pipeline_configs WHERE active=true ORDER BY is_default DESC, name")
+
+        return [r2d(r) for r in cur.fetchall()]
+
+
+@router.post("/pipeline-configs")
+def create_pipeline_config(p: PipelineConfigCreate, session: dict=Depends(require_admin)):
+    """Create new pipeline configuration (admin only)."""
+    with get_db() as conn:
+        cur = get_cursor(conn)
+
+        # Check if name already exists
+        cur.execute("SELECT id FROM pipeline_configs WHERE name=%s", (p.name,))
+        if cur.fetchone():
+            raise HTTPException(status_code=400, detail=f"Pipeline config with name '{p.name}' already exists")
+
+        # Validate: stage prompts must exist
+        all_slugs = p.stage1_prompts + [p.stage2_prompt]
+        if p.stage3_prompt:
+            all_slugs.append(p.stage3_prompt)
+
+        for slug in all_slugs:
+            cur.execute("SELECT id FROM ai_prompts WHERE slug=%s", (slug,))
+            if not cur.fetchone():
+                raise HTTPException(status_code=400, detail=f"Prompt '{slug}' does not exist")
+
+        # If is_default=true, unset other defaults
+        if p.is_default:
+            cur.execute("UPDATE pipeline_configs SET is_default=false WHERE is_default=true")
+
+        config_id = str(uuid.uuid4())
+        cur.execute(
+            """INSERT INTO pipeline_configs (
+                id, name, description, is_default, active,
+                modules, timeframes, stage1_prompts, stage2_prompt, stage3_prompt,
+                created, updated
+            ) VALUES (%s, %s, %s, %s, %s, %s, %s, %s, %s, %s, CURRENT_TIMESTAMP, CURRENT_TIMESTAMP)""",
+            (
+                config_id, p.name, p.description, p.is_default, p.active,
+                json.dumps(p.modules), json.dumps(p.timeframes),
+                p.stage1_prompts, p.stage2_prompt, p.stage3_prompt
+            )
+        )
+
+    return {"id": config_id, "name": p.name}
+
+
+@router.put("/pipeline-configs/{config_id}")
+def update_pipeline_config(config_id: str, p: PipelineConfigUpdate, session: dict=Depends(require_admin)):
+    """Update pipeline configuration (admin only)."""
+    with get_db() as conn:
+        cur = get_cursor(conn)
+
+        # Check if config exists
+        cur.execute("SELECT id FROM pipeline_configs WHERE id=%s", (config_id,))
+        if not cur.fetchone():
+            raise HTTPException(status_code=404, detail="Pipeline config not found")
+
+        # Build dynamic UPDATE query
+        updates = []
+        values = []
+
+        if p.name is not None:
+            updates.append('name=%s')
+            values.append(p.name)
+        if p.description is not None:
+            updates.append('description=%s')
+            values.append(p.description)
+        if p.is_default is not None:
+            # If setting to default, unset others
+            if p.is_default:
+                cur.execute("UPDATE pipeline_configs SET is_default=false WHERE is_default=true AND id!=%s", (config_id,))
+            updates.append('is_default=%s')
+            values.append(p.is_default)
+        if p.active is not None:
+            updates.append('active=%s')
+            values.append(p.active)
+        if p.modules is not None:
+            updates.append('modules=%s')
+            values.append(json.dumps(p.modules))
+        if p.timeframes is not None:
+            updates.append('timeframes=%s')
+            values.append(json.dumps(p.timeframes))
+        if p.stage1_prompts is not None:
+            updates.append('stage1_prompts=%s')
+            values.append(p.stage1_prompts)
+        if p.stage2_prompt is not None:
+            updates.append('stage2_prompt=%s')
+            values.append(p.stage2_prompt)
+        if p.stage3_prompt is not None:
+            updates.append('stage3_prompt=%s')
+            values.append(p.stage3_prompt)
+
+        if not updates:
+            return {"ok": True}
+
+        cur.execute(
+            f"UPDATE pipeline_configs SET {', '.join(updates)}, updated=CURRENT_TIMESTAMP WHERE id=%s",
+            values + [config_id]
+        )
+
+    return {"ok": True}
+
+
+@router.delete("/pipeline-configs/{config_id}")
+def delete_pipeline_config(config_id: str, session: dict=Depends(require_admin)):
+    """Delete pipeline configuration (admin only)."""
+    with get_db() as conn:
+        cur = get_cursor(conn)
+
+        # Check if it's the only default
+        cur.execute("SELECT is_default FROM pipeline_configs WHERE id=%s", (config_id,))
+        row = cur.fetchone()
+        if not row:
+            raise HTTPException(status_code=404, detail="Pipeline config not found")
+
+        if row['is_default']:
+            # Check if there are other configs
+            cur.execute("SELECT COUNT(*) as count FROM pipeline_configs WHERE id!=%s", (config_id,))
+            if cur.fetchone()['count'] > 0:
+                raise HTTPException(
+                    status_code=400,
+                    detail="Cannot delete the default config. Please set another config as default first."
+                )
+
+        cur.execute("DELETE FROM pipeline_configs WHERE id=%s", (config_id,))
+
+    return {"ok": True}
+
+
+@router.post("/pipeline-configs/{config_id}/set-default")
+def set_default_pipeline_config(config_id: str, session: dict=Depends(require_admin)):
+    """Set a pipeline config as default (admin only)."""
+    with get_db() as conn:
+        cur = get_cursor(conn)
+
+        # Check if config exists
+        cur.execute("SELECT id FROM pipeline_configs WHERE id=%s", (config_id,))
+        if not cur.fetchone():
+            raise HTTPException(status_code=404, detail="Pipeline config not found")
+
+        # Unset all other defaults
+        cur.execute("UPDATE pipeline_configs SET is_default=false WHERE is_default=true")
+
+        # Set this one as default
+        cur.execute("UPDATE pipeline_configs SET is_default=true, updated=CURRENT_TIMESTAMP WHERE id=%s", (config_id,))
+
+    return {"ok": True}
+
+
+@router.post("/{prompt_id}/reset-to-default")
+def reset_prompt_to_default(prompt_id: str, session: dict=Depends(require_admin)):
+    """
+    Reset a system prompt to its default template (admin only).
+    Only works for prompts with is_system_default=true.
+    """
+    with get_db() as conn:
+        cur = get_cursor(conn)
+
+        cur.execute("SELECT is_system_default, default_template FROM ai_prompts WHERE id=%s", (prompt_id,))
+        row = cur.fetchone()
+
+        if not row:
+            raise HTTPException(status_code=404, detail="Prompt not found")
+
+        if not row['is_system_default']:
+            raise HTTPException(status_code=400, detail="Only system prompts can be reset to default")
+
+        if not row['default_template']:
+            raise HTTPException(status_code=400, detail="No default template available for this prompt")
+
+        # Reset template to default
+        cur.execute(
+            "UPDATE ai_prompts SET template=%s, updated=CURRENT_TIMESTAMP WHERE id=%s",
+            (row['default_template'], prompt_id)
+        )
+
+    return {"ok": True}