v0.4.2 — Missing Toolkit APIs

What's New

Fills in missing CRUD operations that downstream consumers (Nudge) were forced to hack around using private attributes and raw SQL.

TaskToolkit

• uncomplete_task -- reopen a completed task, setting it back to pending
• update_task -- modify description, priority, or due date on an existing task
• Priority filtering -- list_tasks(priority="high") filters by priority level

KnowledgeToolkit

• delete_note -- delete a note by ID (replaces ._memory.forget() hack)
• update_note -- edit content or tags in-place, preserving ID and creation timestamp

AlarmToolkit

• set_alarm_at -- set alarms for absolute times like "3pm", "15:00", "tomorrow 9am"
• Uses python-dateutil for parsing, interprets naive times as local timezone
• Time-only inputs auto-roll to tomorrow if already past; explicit past dates are rejected

Memory Layer

• TFIDFBackend.update() -- modify notes in-place without losing ID or timestamp
• SemanticMemory.update() -- facade with hasattr guard for backend compatibility

Other

• Groq test fix -- test_groq_unavailable_without_key no longer leaks OPENAI_API_KEY from .env
• Docs -- TaskToolkit, KnowledgeToolkit, and AlarmToolkit added to toolkit guide
• Changelog -- v0.4.0, v0.4.1, v0.4.2 entries added

New Dependency

• python-dateutil>=2.8 (main), types-python-dateutil>=2.8 (dev)

Stats

• 828 tests passing (32 new)
• 14 files changed, ~500 lines added
• No database schema changes -- all new methods use existing columns

Full Changelog: v0.4.1...v0.4.2