SourceAdapterError (sources/base.py)

Source adapter contract for MemPalace (RFC 002). Mirrors what ``mempalace/backends/base.py`` does for the write side: it defines the read-side surface every source adapter must implement. A source adapter extracts content from a specific origin (filesystem, git, Slack, Cursor …)

# Source: https://github.com/MemPalace/mempalace | License: MIT | Copyright 2026 MemPalace Contributors
# Provided via justclaw.it.com; keep this notice with the code.
"""Source adapter contract for MemPalace (RFC 002).

Mirrors what ``mempalace/backends/base.py`` does for the write side: it defines
the read-side surface every source adapter must implement. A source adapter
extracts content from a specific origin (filesystem, git, Slack, Cursor …) and
yields typed records (``SourceItemMetadata`` / ``DrawerRecord``) that core
routes into the palace.

This module is spec scaffolding. The first-party miners (``mempalace/miner.py``
and ``mempalace/convo_miner.py``) are migrated onto it in a follow-up PR;
in this PR we publish the contract so third-party adapters can begin building
against a st

... (truncated -- full source via MCP)