feat: add pitch-deck service to core infrastructure

Migrated pitch-deck from breakpilot-pwa to breakpilot-core.
Container: bp-core-pitch-deck on port 3012.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

pitch-deck/app/api/financial-model/route.ts

@@ -0,0 +1,73 @@
+import { NextRequest, NextResponse } from 'next/server'
+import pool from '@/lib/db'
+
+export const dynamic = 'force-dynamic'
+
+// GET: Load all scenarios with their assumptions
+export async function GET() {
+  try {
+    const client = await pool.connect()
+    try {
+      const scenarios = await client.query(
+        'SELECT * FROM pitch_fm_scenarios ORDER BY is_default DESC, name'
+      )
+
+      const assumptions = await client.query(
+        'SELECT * FROM pitch_fm_assumptions ORDER BY sort_order'
+      )
+
+      const result = scenarios.rows.map(s => ({
+        ...s,
+        assumptions: assumptions.rows
+          .filter(a => a.scenario_id === s.id)
+          .map(a => ({
+            ...a,
+            value: typeof a.value === 'string' ? JSON.parse(a.value) : a.value,
+          })),
+      }))
+
+      return NextResponse.json(result)
+    } finally {
+      client.release()
+    }
+  } catch (error) {
+    console.error('Financial model load error:', error)
+    return NextResponse.json({ error: 'Failed to load scenarios' }, { status: 500 })
+  }
+}
+
+// POST: Create a new scenario
+export async function POST(request: NextRequest) {
+  try {
+    const body = await request.json()
+    const { name, description, color, copyFrom } = body
+
+    if (!name) {
+      return NextResponse.json({ error: 'Name is required' }, { status: 400 })
+    }
+
+    const client = await pool.connect()
+    try {
+      const scenario = await client.query(
+        'INSERT INTO pitch_fm_scenarios (name, description, color) VALUES ($1, $2, $3) RETURNING *',
+        [name, description || '', color || '#6366f1']
+      )
+
+      // If copyFrom is set, copy assumptions from another scenario
+      if (copyFrom) {
+        await client.query(`
+          INSERT INTO pitch_fm_assumptions (scenario_id, key, label_de, label_en, value, value_type, unit, min_value, max_value, step_size, category, sort_order)
+          SELECT $1, key, label_de, label_en, value, value_type, unit, min_value, max_value, step_size, category, sort_order
+          FROM pitch_fm_assumptions WHERE scenario_id = $2
+        `, [scenario.rows[0].id, copyFrom])
+      }
+
+      return NextResponse.json(scenario.rows[0])
+    } finally {
+      client.release()
+    }
+  } catch (error) {
+    console.error('Create scenario error:', error)
+    return NextResponse.json({ error: 'Failed to create scenario' }, { status: 500 })
+  }
+}