Initial Home Assistant observer

.env.example

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+# Copy this file to .env and fill in your values.
+# Do not commit/share .env; it contains secrets.
+
+# Home Assistant URL and long-lived token
+HA_URL="http://homeassistant.local:8123"
+HA_TOKEN="paste_your_long_lived_access_token_here"
+
+# Local storage
+DATA_DIR="./data"
+REPORT_DIR="./reports"
+WEB_DIR="./web"
+
+# Extra owner directions appended to the 05:00 AI prompt
+PROMPT_FILE="./llm_instructions.md"
+
+# Collection/history settings
+HISTORY_HOURS="24"
+MAX_HISTORY_PER_ENTITY="20"
+KEEP_SNAPSHOT_DAYS="14"
+
+# At 05:00, analyze snapshots from roughly this many hours
+ANALYZE_SNAPSHOT_HOURS="24"
+
+# Domains to include
+RELEVANT_DOMAINS="sensor,binary_sensor,person,device_tracker,climate,light,switch,lock,cover,alarm_control_panel,media_player,calendar,weather"
+
+# Optional: comma-separated entity IDs to exclude for privacy/noise
+# EXCLUDED_ENTITIES="device_tracker.my_phone,camera.front_door"
+EXCLUDED_ENTITIES=""
+
+# AI backend for the 05:00 analysis: none, ollama, or openai
+# none publishes a page, but without real AI conclusions.
+LLM_MODE="none"
+
+# For local Ollama, recommended for privacy
+OLLAMA_URL="http://localhost:11434"
+OLLAMA_MODEL="llama3.1"
+
+# For OpenAI cloud API
+OPENAI_API_KEY=""
+OPENAI_MODEL="gpt-4o-mini"