chore(main): release 0.2.0

[github-actions]

🤖 I have created a release beep boop

0.2.0 (2026-07-07)

Features

• add library-conformance test category, fix pydantic shim drift it surfaced (#67) (6623a04)
• api: carry the capability ledger + footprint on a failed run's error (#136) (af4c078)
• async/await as cooperative coroutines (Phase 1) + lazy itertools.islice (#58) (41509e6)
• boto3: DynamoDB transactions, conditions, Query — run a real ledger (#133) (7742fc8)
• capstone expense-tracker API + run @field_validator on request bodies (#115) (e5f4601)
• cooperative scheduling — close the four CPython divergences (#59) (1c324f9)
• determinism: clock + entropy capability (seed:/clock:) + no cross-turn :rand leak (#125) (175de47)
• filesystem: copy-on-write Overlay for sound, preview-gated filesystem effects (#140) (fdb6fee)
• interpreter: chained assignment with attribute and subscript targets (#142) (c407f82)
• limits: enable safe-by-default resource ceilings (#71) (95b4799)
• opentelemetry: start_as_current_span honors the attributes= kwarg (#145) (a08b0bc)
• otel: app/runtime channel rename + OTel semconv + scope + ASCII trace renderer (#122) (1523e4d)
• otel: two-channel telemetry — tenant opentelemetry module + tamper-proof platform capability trace (#121) (23d5e6d)
• parser: parenthesized import lists + future no-op imports (#132) (c1b9276)
• stdlib: add ast, inspect, logging, traceback shims (#114) (5508ebb)
• storage: attenuating membranes for multitenant capabilities (#117) (db28b65)
• storage: copy-on-write Overlay backend for sound, preview-gated effects (#138) (3457129)
• storage: experimental host-provided KV store capability (#116) (32233f8)
• str: complete the str method surface (burn down parity gaps) (#92) (4baf89b)
• turn: prove the turn-purity contract + per-turn telemetry footprint (#118) (0903f46)

Bug Fixes

• banned_call_tracer: invert :erlang to allowlist + catch fun captures (#76) (ace95fd)
• banned_call_tracer: treat missing abstract code as a violation (#75) (ddb5569)
• close common gaps that bite LLM-generated Python (#88) (6587c68)
• core: startswith/endswith indices, no-arg dir(), str.join over str, sum TypeError (#119) (010e2ce)
• ctx: match network allowlist component-wise, not by string prefix (#72) (b64ddc3)
• decimal: regression tests + informative builtin clause errors (#77) (754a34a)
• deps: make pyex installable as a bare dependency (#139) (21581cc)
• generators: send(None) priming + StopIteration.value (#120) (d2b2b9b)
• generators: yield from delegates the sub-generator's return value (PEP 380) (#127) (720fa5b)
• interpreter: fresh mutable containers get heap identity, like literals (#143) (4b83843)
• json: preserve object key order on loads + reject sets in dumps (#124) (73c61f0)
• lexer: complete the bytes-literal prefix matrix + repr quoting (#85) (048263b)
• lexer: complete the Python string-prefix matrix (rf/fr, R/F, u/U, raw triples) (#81) (6b3b405)
• otel: audit a failed turn + semconv error.type + telemetry key; exhaustive invariants (#123) (fac3c63)
• parser: accept paren tuple targets in comprehension for-clauses (#68) (ebde436)
• pyex: snapshot and restore caller's Decimal context across run/2 (#74) (ec0dfc4)
• requests: apply a host default receive_timeout when caller omits timeout= (#73) (b924a63)
• route iterable-consuming builtins through the one coercion (#96) (2e72580)
• sorted/list/reversed/tuple shallow-copy their elements (#93) (9fa45b8)
• telemetry: count spans toward the memory budget (close DoS sink) (#126) (9b03d8d)
• thread yielded signals through assign + return (#61) (b2964f5)
• type-constructor conformance via the product-space sweep (#98) (f7c1472)

Performance Improvements

• default-limits short-circuit, list-index cache, scope resolution (#69) (07b0850)
• fix O(n²) list.append, dict insert, zipfile.writestr, and deque.append (#55) (80b2f55)

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