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Print Log Project — Context for Claude Code
What we're building
A Home Assistant automation system that logs 3D printer activity to a Notion database in real time — creating a row when a print starts and updating it when it finishes, fails, or is cancelled.
Notion Database
- Name: 🖨️ Print Log
- URL: https://www.notion.so/c7bab550efd740909f656f101697832d
- Database ID: c7bab550efd740909f656f101697832d
- Location: CubeCraft Creations page
Printers
| Friendly Name | Entity Prefix | Type | Notes |
|---|---|---|---|
| PrintsCharming | p1s_01p09c470102673 | Bambu P1S | Full data |
| Ds-Turd-Flinger | a1_03919d540806387 | Bambu A1 | Full data |
| Polly-Pocket | a1mini_0309ca580403653 | Bambu A1Mini | Full data |
| Constipation-Orion | constipation_orion | Bambu | Full data |
| Jordyns-Layer-Slayer | jordyns_layer_slayer | Bambu | Full data |
| Centauri Carbon | centauri_carbon | Elegoo FDM | file_name + print_status only |
| Saturn | saturn | Elegoo Resin | file_name + print_status only |
Bambu sensors follow pattern: sensor.{prefix}_print_status, _gcode_filename, _print_weight, _print_length, _active_tray (attrs: type, color)
Elegoo sensors: sensor.{prefix}_file_name, sensor.{prefix}_print_status (status values for Elegoo need verification — may differ from Bambu)
HA Config Files Produced
Three files were generated (in the HA config repo):
- print_log_configuration.yaml — input_text helpers + rest_commands
- print_log_automations.yaml — 14 automations (start+finish × 7 printers)
- print_log_secrets_addition.yaml — Notion bearer token line for secrets.yaml
Correct Template for Storing Notion Page ID
rest_command responses are already parsed as dicts — do NOT use | from_json:
CORRECT: value: "{{ notion_response.content.id | default('') }}"
WRONG: value: "{{ (notion_response.content | from_json).id | default('') }}"
The finish automation condition checks | length == 36 on the stored ID.
Notion rest_command structure
- notion_create_print: POST to /v1/pages, returns page ID in response body
- notion_update_print: PATCH to /v1/pages/{page_id}
- Auth header uses !secret notion_token_bearer (full "Bearer ntn_..." string)
- Token stored in secrets.yaml as notion_token_bearer
HA Setup
- HAOS on x86 server
- Gitea repo at code.cubecraftcreations.com (username: overseer)
- IoT VLAN: 192.168.69.x, Main: 192.168.1.x
- ~150 devices, UniFi networking