Make extension codecs composable - #1678

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feat/ffi-composable-codecs

Commits on Aug 30, 2026

Make extension codecs composable

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claude
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d28615d
test: port codec Rust tests to pytest

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62c3d38
docs: record the Python-first testing preference in AGENTS.md

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c1ffd81

Commits on Aug 31, 2026

refactor: dispatch chained codecs by identity, not by trial

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2a458cc
test: pin the by-name decode path, and document identity dispatch

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docs: record codec chain dispatch in the FFI capsule protocol skill

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ef80b64
docs: move codec dispatch rationale out of the skill and into the code

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96ab219

Commits on Sep 1, 2026

fix: give a capsule-installed codec an id no other session can mint

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9bad65d
fix: identify a session installed as a codec by its session, not its class

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4ce37cb
test: pin the class-derived codec id, and the escape hatch from it

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7893210
docs: aim the codec documentation at its readers

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6a9b5a9
docs: state the one case where a codec sees bytes it may not own

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29e360f