chore: rename service folders to lowercase

frontend/.env.example

@@ -0,0 +1,35 @@
+DATABASE_URL="postgresql://postgres:postgres@localhost:5432/clientsflow?schema=public"
+REDIS_URL="redis://localhost:6379"
+
+# Agent (LangGraph + OpenRouter)
+OPENROUTER_API_KEY=""
+OPENROUTER_BASE_URL="https://openrouter.ai/api/v1"
+OPENROUTER_MODEL="openai/gpt-4o-mini"
+# Optional headers for OpenRouter ranking/analytics
+OPENROUTER_HTTP_REFERER=""
+OPENROUTER_X_TITLE="clientsflow"
+# Enable reasoning payload for models that support it: 1 or 0
+OPENROUTER_REASONING_ENABLED="0"
+
+# Langfuse local tracing (optional)
+LANGFUSE_ENABLED="true"
+LANGFUSE_BASE_URL="http://localhost:3001"
+LANGFUSE_PUBLIC_KEY="pk-lf-local"
+LANGFUSE_SECRET_KEY="sk-lf-local"
+
+# Optional fallback (OpenAI-compatible)
+OPENAI_API_KEY=""
+OPENAI_MODEL="gpt-4o-mini"
+# "langgraph" (default) or "rule"
+CF_AGENT_MODE="langgraph"
+CF_WHISPER_MODEL="Xenova/whisper-small"
+CF_WHISPER_LANGUAGE="ru"
+
+TELEGRAM_BOT_TOKEN=""
+TELEGRAM_WEBHOOK_SECRET=""
+TELEGRAM_DEFAULT_TEAM_ID="demo-team"
+
+# Frontend GraphQL endpoint for Apollo client runtime
+GRAPHQL_HTTP_ENDPOINT="http://localhost:3000/api/graphql"
+# Remote GraphQL schema URL for codegen (used by `pnpm codegen` / `npm run codegen`)
+GRAPHQL_SCHEMA_URL=""