Remove JIRA_SCHEMA_ID from entire application

- Remove JIRA_SCHEMA_ID from all documentation, config files, and scripts
- Update generate-schema.ts to always auto-discover schemas dynamically
- Runtime application already discovers schemas via /objectschema/list API
- Build script now automatically selects schema with most objects
- Remove JIRA_SCHEMA_ID from docker-compose.yml, Azure setup scripts, and all docs
- Application is now fully schema-agnostic and discovers schemas automatically

docs/DOCKER-COMPOSE-WARNINGS.md

@@ -35,7 +35,6 @@ nano .env
 ```bash
 export JIRA_HOST=https://jira.zuyderland.nl
 export JIRA_PAT=your_token
-export JIRA_SCHEMA_ID=your_schema_id
 export ANTHROPIC_API_KEY=your_key
 
 docker-compose up
@@ -51,7 +50,6 @@ De warnings zijn **niet kritisch**. De applicatie werkt ook zonder deze variabel
 # Jira Assets
 JIRA_HOST=https://jira.zuyderland.nl
 JIRA_PAT=your_personal_access_token
-JIRA_SCHEMA_ID=your_schema_id
 
 # AI (optioneel)
 ANTHROPIC_API_KEY=your_anthropic_key