feat: Add Alateya, Clan, Eonarch agents + fix gateway-router connection

## Agents Added
- Alateya: R&D, biotech, innovations
- Clan (Spirit): Community spirit agent
- Eonarch: Consciousness evolution agent

## Changes
- docker-compose.node1.yml: Added tokens for all 3 new agents
- gateway-bot/http_api.py: Added configs and webhook endpoints
- gateway-bot/clan_prompt.txt: New prompt file
- gateway-bot/eonarch_prompt.txt: New prompt file

## Fixes
- Fixed ROUTER_URL from :9102 to :8000 (internal container port)
- All 9 Telegram agents now working

## Documentation
- Created PROJECT-MASTER-INDEX.md - single entry point
- Added various status documents and scripts

Tokens configured:
- Helion, NUTRA, Agromatrix (existing)
- Alateya, Clan, Eonarch (new)
- Druid, GreenFood, DAARWIZZ (configured)

services/rag-service/app/core/config.py

@@ -4,7 +4,7 @@ Configuration for RAG Service
 
 import os
 from typing import Literal
-from pydantic_settings import BaseSettings
+from pydantic import BaseSettings
 
 
 class Settings(BaseSettings):
@@ -15,10 +15,8 @@ class Settings(BaseSettings):
     API_PORT: int = 9500
     
     # PostgreSQL + pgvector
-    PG_DSN: str = os.getenv(
-        "PG_DSN",
-        "postgresql+psycopg2://postgres:postgres@city-db:5432/daarion_city"
-    )
+    _default_dsn = "postgresql+psycopg2://postgres:postgres@city-db:5432/daarion_city"
+    PG_DSN: str = os.getenv("PG_DSN", os.getenv("DATABASE_URL", _default_dsn))
     
     # Embedding model
     EMBED_MODEL_NAME: str = os.getenv("EMBED_MODEL_NAME", "BAAI/bge-m3")