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fix(access): tag a record as the user doing it, not as its owner (#4249)
`set_record_systems` is not a dumb setter. It runs its own `can_write_note`
and then links only the Systems the given user can READ. Four of twenty
call sites handed it the record's owner instead of the acting user, which
did two quiet things at once: the access check became trivially true, since
an owner can always write their own record, and the System filter used the
owner's visibility rather than the actor's.

On a single-user install neither is observable. With a share it is an
editor acting with the owner's reach — the shape rule 47 exists to prevent,
and the same reasoning routes/notes.py already spells out for
`set_supersedes` two lines away.

This is NOT a permission change. Every one of the four sites establishes
the caller's write access first: routes/lessons.py and routes/snippets.py
call `can_write_note(uid, …)`, mcp/tools/processes.py does the same, and
mcp/tools/snippets.py reaches `set_record_systems` only after
`update_snippet` has raised PermissionError if the caller may not write. So
nobody gains or loses the ability to edit anything. What changes is whose
reach the tagging runs with, which is exactly the kind of difference that
survives review because every call site reads fine on its own.

The four:

  routes/lessons.py:243      owner_uid      -> uid
  routes/snippets.py:211     owner_uid      -> uid
  mcp/tools/snippets.py:486  note.user_id   -> uid
  mcp/tools/processes.py:196 note.user_id   -> uid

The last one was written earlier in this same session, an hour before the
sweep that found it, with a comment confidently explaining why the owner
was correct. That is the argument for the guard rather than for care: the
unified stance was known and still got it wrong at the next opportunity.

So the guard is the point again. `test_every_tagging_write_acts_as_the_caller`
walks every `set_record_systems` call in src/ and asserts the first argument
is a bare local named `uid` or `user_id` — an attribute access is a record's
owner by construction. Verified against `git show HEAD:` as well as the
working tree: clean now, four offenders on the code it replaces.

Reads are deliberately untouched. `list_record_systems(owner_uid, …)` gates
on reading the NOTE, which the caller can do anyway, so it returns the same
list either way; it is a different operation and churning it would add noise
without changing behaviour.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01821k5B3Ysecp9fNYs92Kuy
2026-09-21 16:09:41 -04:00

Fabled Scribe

A self-hosted work system-of-record for software projects, built to be driven by Claude Code. Notes, tasks, issues, projects, milestones, rules, and stored processes — reachable from Claude via a built-in MCP endpoint and a bundled Claude Code plugin, with a clean web UI for humans. No in-app LLM; Claude is the sole assistant.

Features

Notes and tasks with a Markdown editor, sub-tasks, milestones, issues, and kanban project workspaces. Stored processes, an engineering rulebook system (with an inception step that decides what each project inherits), and semantic search with proactive knowledge-injection into Claude's context. A knowledge graph, per-user/group sharing, and a built-in MCP server (/mcp) plus a bundled Claude Code plugin so Claude can record and recall your work directly.

Quick Start

Prerequisites: Docker and Docker Compose. No GPU or local model needed — Claude is the sole assistant, reached over MCP.

Download docker-compose.quickstart.yml from this repo, then:

# Optional but recommended — set a secret key
export SECRET_KEY=your-random-secret-here

docker compose -f docker-compose.quickstart.yml up -d

Open http://localhost:5000. The first user to register becomes admin. To connect Claude, create an API key under Settings → API Keys and install the Claude Code plugin — see API Keys & MCP.

Development: To build from source, see Development.

Documentation

Doc Contents
Architecture Stack, design decisions, data models, key services
Configuration Environment variables, Docker Compose, production setup, security
Features Detailed feature breakdown and keyboard shortcuts
Development Dev workflow, CI/CD, migrations, release process
API Keys & MCP API key management and Fable MCP install guide
SSO / OAuth OIDC setup for Authentik, Keycloak, and other providers
API Reference All REST API endpoints

License

This project is privately maintained.

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