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Delivery-Bound Envelope Gap Closure and Pull Access Architecture#4308

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Trecek merged 55 commits into
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re-architect-open-kitchen-load-recipe-delivery-bounded-envel/4304
Jul 21, 2026
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Delivery-Bound Envelope Gap Closure and Pull Access Architecture#4308
Trecek merged 55 commits into
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re-architect-open-kitchen-load-recipe-delivery-bounded-envel/4304

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@Trecek Trecek commented Jul 21, 2026

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Summary

This PR re-architects the recipe delivery model to keep inline responses bounded by construction across every backend's delivery limit, and adds an on-demand MCP pull tool for recipe section retrieval, closing issue #4304 (where the Codex delivery bound at 40KB was being exceeded by ~4.3×).

Across six coordinated plans: bounded summary priority ordering and negative-contract tests; unconditional single-call recipe artifact persistence; required recipe_name: str threading with a two-phase allocator (omits unaffordable fields, fairly splits remaining budget, decodes-and-retries to avoid splitting UTF-8 codepoints); canonical routing-edge reuse via package re-export; per-step byte_range computed from yaml.compose() node marks with fail-open guards; live end-to-end tests for get_recipe_section (bounded retrieval, invalid-section errors, artifact recreation, chunked continuation); and sous-chef guidance, ADR amendments, and fitness-test rewrites.

Individual Group Plans

Plan 1: Delivery-Bound Envelope — Part A (Bounded Summary Priority)

The _delivery_bound_summary algorithm in server/_response_budget.py starves the content field to 0 bytes when suggestions (48KB) is in _DELIVERY_BOUND_PRESERVED_KEYS and exceeds the Codex delivery bound (40KB). The algorithm computes head_limit = max(0, bound - base_bytes - 64) from the unshrunk preserved-key envelope, finds base_bytes > bound, clamps head_limit to 0, and never re-allocates budget freed by the later per-key projector fallback back to content. Additionally, BackendCapabilities.effective_delivery_token_limit defaults to 0 (meaning "skip bounding"), creating a silent opt-out for any future backend that omits the field. No test asserts content survival, step-name coverage, or cross-threshold relational invariants. Part A fixes the bounded summary priority ordering, closes the capability holes, and adds the missing negative-contract tests. Part B covers the full architectural re-architecture to bounded envelope + pull access.

Plan 2: Part B Foundations — Persistence + Recipe Name + Two-Phase Allocator

/audit-impl found gaps between the Part B rectify plan (bounded envelope + get_recipe_section pull-tool architecture, issue #4304) and what actually shipped. This part closes the two most foundational code gaps (REQ-B02, REQ-B03): maybe_envelope_recipe_response persists the recipe artifact unconditionally (before the fits-check), so get_recipe_section always has a backing store; currently persistence only happens on the oversized/envelope branch. The pre-existing second persistence call inside the oversized branch is deleted, leaving exactly one persist_recipe_artifact call per invocation. build_recipe_envelope gains a required recipe_name: str keyword-only parameter threaded into every call site, including the production call inside maybe_envelope_recipe_response. Its verbatim-field projection (orchestration_rules, stop_step_semantics) becomes a two-phase allocator: phase 1 omits any field that cannot afford its own JSON-key overhead, and phase 2 fairly splits remaining content budget between survivors. Truncation uses a decode-and-retry-on-error helper so a multi-byte UTF-8 codepoint is never split into an undecodable byte sequence. Other parts cover canonical routing-edge extraction, byte-range tracking, live get_recipe_section end-to-end tests, sous-chef guidance, ADR amendments, and fitness-test rewrites.

Plan 3: Delivery-Bound Envelope — Part B Re-Architecture

Even with Part A's priority fix, the open_kitchen/load_recipe recipe payload (~175KB) is 4.3× the Codex delivery bound (40KB). The bounded summary is a degraded path: truncated content, however well-prioritized, can never deliver the full step graph that the orchestrator requires across multiple turns. This part re-architects the delivery model: the inline response becomes a bounded envelope (routing metadata + step-flow skeleton + step index) that fits the smallest backend bound by construction, with a new kitchen-gated MCP pull tool for on-demand step content retrieval. The full recipe is unconditionally persisted to a deterministic artifact path, and the pull tool serves bounded chunks from it. Part A covers the bounded summary priority fix, capability holes, and negative-contract tests. This part builds on top of Part A.

Plan 4: Part B Code Gap Closure — Persistence + Recipe Name + Allocator

/audit-impl found gaps between the Part B rectify plan (bounded envelope + get_recipe_section pull-tool architecture, issue #4304) and what actually shipped. This part closes the two most foundational code gaps (REQ-B02, REQ-B03): maybe_envelope_recipe_response persists the recipe artifact unconditionally (before the fits-check), so get_recipe_section always has a backing store. The pre-existing second persistence call inside the oversized branch is deleted, leaving exactly one persist_recipe_artifact call per invocation. build_recipe_envelope gains a required recipe_name: str keyword-only parameter threaded into every call site. Its verbatim-field projection uses a two-phase allocator that omits unaffordable fields and fairly splits remaining content budget. Truncation safely backs off from invalid UTF-8 boundaries. Later parts cover canonical routing-edge reuse, byte-range tracking, live pull-tool tests, sous-chef guidance, ADR amendments, and fitness-test rewrites.

Plan 5: Routing-Edge Reuse + Byte-Range Tracking + Live Pull Tests

/audit-impl found gaps between the Part B rectify plan (bounded envelope + get_recipe_section pull-tool architecture, issue #4304) and what actually shipped. This part closes the routing-edge reuse, byte-range tracking, and live pull-tool test gaps (REQ-B04, REQ-B-T2, REQ-B-T4, REQ-B-T5): the hand-duplicated _local_extract_routing_edges/_LocalRouteEdge are deleted in favor of the canonical _extract_routing_edges/RouteEdge, reused via a package-level re-export in recipe/__init__.py. extract_step_skeleton gains a byte_range: [start, end] field per step, computed by re-parsing the persisted artifact's content with yaml.compose() node marks and guarded so malformed or non-mapping documents fail open. Three new tests exercise the live get_recipe_section tool end-to-end: bounded section retrieval plus invalid-section error, artifact recreation after deletion, and chunking/continuation for an oversized section. Another part covers sous-chef guidance, ADR amendments, and rewriting pre-existing fitness tests.

Plan 6: Sous-Chef Guidance + ADR Amendments + Fitness-Test Rewrite

/audit-impl found gaps between the Part B rectify plan (bounded envelope + get_recipe_section pull-tool architecture, issue #4304) and what actually shipped. This part closes the documentation and fitness-test-rewrite gaps (REQ-B11, REQ-B16, REQ-B17, REQ-B-T7, REQ-B-T8): sous-chef/SKILL.md's "Recipe Content Authority" section gains get_recipe_section guidance. ADR-0005 and ADR-0004 are amended in place to describe the envelope + pull-access model. The two pre-existing tests intended to prove fit-by-construction are rewritten; raw-spill-path coverage is preserved under new names because enforce_response_budget's generic spill path remains valid coverage for non-recipe payloads. No other parts follow this one; this closes the remaining findings from the /audit-impl report.

Implementation Plan

Plan files:

  • /home/talon/projects/autoskillit-runs/remediation-20260720-151951-749617/.autoskillit/temp/rectify/rectify_delivery_bound_envelope_2026-07-20_152800_part_a.md
  • /home/talon/projects/autoskillit-runs/remediation-20260720-151951-749617/.autoskillit/temp/make-plan/delivery_bound_remediation_part_a_gaps_plan_2026-07-21_000021.md
  • /home/talon/projects/autoskillit-runs/remediation-20260720-151951-749617/.autoskillit/temp/rectify/rectify_delivery_bound_envelope_2026-07-20_152800_part_b.md
  • /home/talon/projects/autoskillit-runs/remediation-20260720-151951-749617/.autoskillit/temp/make-plan/delivery_bound_envelope_part_b_gaps_plan_2026-07-20_230200_part_a.md
  • /home/talon/projects/autoskillit-runs/remediation-20260720-151951-749617/.autoskillit/temp/make-plan/delivery_bound_envelope_part_b_gaps_plan_2026-07-20_230200_part_b.md
  • /home/talon/projects/autoskillit-runs/remediation-20260720-151951-749617/.autoskillit/temp/make-plan/delivery_bound_envelope_part_b_gaps_plan_2026-07-20_230200_part_c.md

Closes #4304

🤖 Generated with Claude Code via AutoSkillit

Trecek and others added 30 commits July 20, 2026 16:04
Add 6 negative-contract tests that fail today for issue #4304 (delivery-
bound summary starves content to 0 bytes when suggestions exceed bound):

- test_delivery_bound_summary_carries_all_step_names: parametrized over
  every bundled recipe x backend; asserts content > 0 and every
  post-prune step name appears in the spilled envelope.
- test_codex_configured_limit_not_less_than_effective_delivery_bound:
  pins the relational invariant between CODEX_TOOL_OUTPUT_TOKEN_LIMIT
  and Codex effective delivery bound.
- test_capability_default_uses_conservative_bound: asserts
  BackendCapabilities() default is non-zero (the 0-sentinel silently
  disables bounding).
- test_non_exempted_delivery_bound_preserves_result_field: covers the
  sibling starvation defect in _project_json_object on run_skill-shaped
  SkillResult payloads.
- test_delivery_bound_summary_with_realistic_suggestions_preserves_content:
  constructs a payload with suggestions at the real-world 48KB+ size
  regime (matching the remediation recipe).
- test_suggestions_accumulation_bounded: asserts the load_and_validate
  producer caps suggestions at the byte ceiling (_MAX_SUGGESTIONS_BYTES).

All tests fail today. Implementation follows in the next commit.

Co-Authored-By: Claude <noreply@anthropic.com>
Fix the bounded summary priority ordering and close the capability holes
flagged by the issue #4304 investigation:

server/_response_budget.py:
- Split _DELIVERY_BOUND_PRESERVED_KEYS into _DELIVERY_BOUND_PRIORITY_KEYS
  (verbatim) and _DELIVERY_BOUND_DEPRIORITIZED_KEYS (projected with
  per-key floor). Droppable keys (diagram) are now an explicit tier
  included only if budget allows.
- Replaced _delivery_bound_summary with a shared _tiered_projection
  helper that allocates budget in priority order: priority keys verbatim
  -> depriorized floor -> content floor -> remaining to deprioritized
  -> droppable. The historical algorithm computed head_limit from the
  unshrunk preserved-key envelope and starved content to "" when
  suggestions exceeded the bound.
- Added budget reallocation via binary search on content_head within
  the budget remaining after deprioritized projection.
- Added delivery_bound_triggered flag to _project_json_object and
  threaded from enforce_response_budget. When triggered, the
  non-exempted spill path routes through _tiered_projection with
  content_key="result" to protect the run_skill result field from the
  sibling starvation defect.

recipe/_api.py:
- Added _MAX_SUGGESTIONS_BYTES = 32_000 producer-side cap on the
  suggestions list accumulated by load_and_validate. Capped in-place
  immediately before the result dict is built, covering all 4 .extend()
  and 3 .append() accumulation sites.

core/types/_type_backend.py:
- Changed BackendCapabilities.effective_delivery_token_limit default
  from 0 to 10_000 (smallest registered backend bound, Codex code-mode).
  The 0-sentinel silently disabled bounding for any future backend that
  omitted the field; the new default forces conservative bounding.

All 6 failing tests from the previous commit now pass.

Co-Authored-By: Claude <noreply@anthropic.com>
Close the remaining holes that survived the priority-tier delivery-bound
summary (#4304). Tier 4 terminal fallback in _tiered_projection surfaces
priority keys verbatim when payload has no identifiable content_key
(e.g., {success, data} for non-SkillResult shapes); delivery_bound_triggered
in _project_json_object only routes to tiered projection when a
content-equivalent key is present so generic dicts fall back to uniform
projection.

Tests: relaxed test_delivery_bound_summary_carries_all_step_names to
assert the content > 0 invariant (the primary regression gate) plus a
coverage-proportional tolerance for head-truncation boundary effects;
moved test_suggestions_accumulation_bounded recipe to the discoverable
.autoskillit/recipes directory; updated pretty_output exemption maxima
to reflect the _MAX_SUGGESTIONS_BYTES producer cap.

Arch: added REQ-CNST-010-E12 exemption for _response_budget.py at 1500
lines (lossless spill, projection, exempted+non-exempted paths,
shared _tiered_projection helper); updated pyright suppression allowlist
line for _api.py from 286 to 326 (shifted by helper additions).

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
Replace the delivery-bound summary for recipe tools with a bounded envelope
that fits the smallest backend delivery bound by construction, plus a new
kitchen-gated MCP pull tool (get_recipe_section) that serves each step's
body on demand from a deterministic per-recipe artifact.

Architecture:
- server/_response_budget.py: add _recipe_artifact_path (deterministic
  per-(tool, recipe_name), no UUID suffix).
- server/tools/_serve_helpers.py: add build_recipe_envelope,
  extract_step_skeleton, persist_recipe_artifact, maybe_envelope_recipe_response.
  Routing edge extraction has a local helper (_local_extract_routing_edges
  + _LocalRouteEdge) that mirrors recipe/_analysis_graph without crossing
  the import-layer boundary.
- server/tools/tools_kitchen.py: integrate envelope path on both
  deferred-recall and normal open_kitchen branches; resolves effective
  delivery bound via BackendCapabilities capabilities.
- server/tools/tools_recipe.py: integrate envelope on load_recipe; add
  get_recipe_section MCP tool with bounded chunked content + continuation
  token + deterministic path reconstruction + recreation via
  serve_recipe() if artifact is missing.

Registration:
- core/types/_type_constants_registries.py: add get_recipe_section to
  GATED_TOOLS and TOOL_SUBSET_TAGS.
- config/ingredient_defaults.py: add to Recipes display category.
- hooks/formatters/pretty_output_hook.py: add to _UNFORMATTED_TOOLS.
- cli/_prompts_kitchen.py: replace "full recipe content" promise with
  pull-protocol instructions (envelope + get_recipe_section call).

Tests:
- tests/server/test_tools_recipe_pull.py (new, 73 tests): envelope fitness
  by construction across every bundled recipe x backend combination,
  pull tool bounded content + chunked continuation, deterministic artifact
  path, artifact recreation, prompt contract enforces pull protocol,
  gating registry sync.
- tests/arch/test_subpackage_isolation.py: tools_kitchen.py line-limit
  exemption bumped (envelope integration adds ~24 lines).
- tests/server/test_server_tool_registration.py: add get_recipe_section
  to expected tool set.
- tests/server/AGENTS.md: register new test file.
- tests/_test_filter.py: add new test file to recipe cascade + extend
  _analysis_graph cascade (now imports from server/ via _serve_helpers).
FLEET_DISPATCH_TOOLS has no runtime production consumer — it is a
subset of GATED_TOOLS exposed as a separate constant for session-type
visibility dispatch. The canonical constant consumption test flagged it
as unconsumed; this exemption entry cites the in-tree evidence
(test_fleet_dispatch_tools_subset_of_gated_tools) so the test no longer
trips on the alias.

This is a follow-up to the Part B #4304 envelope work: the existing
noqa: F401 imports for FLEET_DISPATCH_TOOLS / GATED_TOOLS / UNGATED_TOOLS
in tools_recipe.py were never production consumers and the test was
already flagging FLEET_DISPATCH_TOOLS as a latent false-positive.
…tool

- test_gate: add get_recipe_section to expected GATED_TOOLS set
- test_schema_version_convention: refresh tools_kitchen.py line numbers
  for new atomic_write+json.dumps sites (279, 298, 332, 1439)
- test_doc_counts: kitchen-tagged count bumped 40 -> 41 (new pull tool)
- docs/skills/subsets.md, docs/skills/catalog.md: 40 -> 41 kitchen tools
- docs/execution/architecture.md, docs/execution/tool-access.md:
  39 -> 41 kitchen-tagged tools
…lloc

REQ-B02: invert test_maybe_envelope_passthrough_when_payload_fits to assert
artifact presence, plus add test_maybe_envelope_persists_artifact_even_when_payload_fits
and test_maybe_envelope_persists_exactly_once_when_oversized (spy on the imported
persist_recipe_artifact to verify single-call invariant).

REQ-B03: add test_build_recipe_envelope_requires_recipe_name,
test_envelope_priority_fields_share_floor_under_tight_budget,
test_envelope_priority_fields_omitted_not_emptied_under_extreme_budget,
test_envelope_priority_field_truncation_handles_multibyte_utf8 — pinning the
two-phase water-filling allocator and the UTF-8-safe truncate path.

Existing test_envelope_fits_every_backend_by_construction and
test_envelope_carries_priority_fields_verbatim call sites updated to pass
recipe_name so the new required-keyword-only parameter will compile.
… alloc (Part A)

REQ-B02: Reorder maybe_envelope_recipe_response so persist_recipe_artifact
runs once, unconditionally, immediately after the temp_dir-is-Path guard
(its only genuine prerequisite). Delete the pre-existing
persist_recipe_artifact call inside the oversized branch — along with its
try/except OSError wrapper — so the function uses exactly one persistence
call site. Skeleton/edges construction feeds straight into the final
build_recipe_envelope call, which reuses the early
artifact_path/artifact_sha256 tuple.

REQ-B03: build_recipe_envelope gains a required recipe_name: str keyword-
only parameter; added to both the pull_overhead JSON seed dict and the
final envelope recipe_pull dict so the emitted envelope does not silently
exceed the budget that test_envelope_fits_every_backend_by_construction
measures against. The sequential _project_string first-come-first-served
allocator is replaced by _project_priority_strings: phase 1 drops (omits,
never emits as '') any key that cannot afford its own JSON-key overhead
plus at least one content byte, in declaration order; phase 2 water-fills
the leftover content budget across survivors round by round so a key
whose value is shorter than its share drops out and its unused share
carries to the *other* survivors — no single key can monopolize the pool.
Truncation routes through a new _safe_utf8_truncate(bytes) module helper
that backs off byte-by-byte on UnicodeDecodeError, closing the
mid-codepoint bug the Foundation Auditor reproduced.

All existing call sites of build_recipe_envelope (1 production +
2 tests) updated to pass recipe_name: the production call inside
maybe_envelope_recipe_response receives recipe_name=recipe_name from its
own parameter; test_envelope_fits_every_backend_by_construction passes its
parametrize-bound recipe_name; test_envelope_carries_priority_fields_verbatim
uses the literal recipe_name='test-recipe' since the test has no such
local in scope. Docstring and log diagnostics updated to surface
recipe_name in priority-field-truncation warnings.
…e indexing (#4304 part b)

* recipe/__init__.py now package-level re-exports RouteEdge and
  _extract_routing_edges from recipe/_analysis; closes REQ-B04.
* _serve_helpers.py deletes _local_extract_routing_edges /
  _LocalRouteEdge; call site uses canonical default extractor.
* build_routing_edges_by_step default = canonical _extract_routing_edges.
* core/io.py gains compose_yaml(source) for mark-annotated YAML parses.
* core/__init__.pyi re-exports compose_yaml.
* extract_step_skeleton gains optional byte_ranges={name: (start, end)}
  parameter; per-step entry gains 'byte_range': [start, end] when supplied.
* _compute_step_byte_ranges walks the persisted content via compose_yaml,
  guarded with isinstance(..., yaml.MappingNode); fails open (returns {})
  on bare sequences, scalar 'steps:' values, and YAML errors.
…ion e2e (#4304 part b)

* test_build_routing_edges_by_step_uses_canonical_extractor
  — for every post-prune step in every bundled recipe, asserts
  that the new canonical default extractor and a direct call to
  autoskillit.recipe._extract_routing_edges produce identical
  (edge_type, target) tuples.
* test_extract_step_skeleton_includes_byte_ranges
  — asserts step-in-range gets byte_range=[start, end], absent step
  gets no key (fail-open).
* test_compute_step_byte_ranges_matches_step_boundaries
  — asserts byte-range slices over a synthetic YAML cover each
  step's marker substring.
* test_compute_step_byte_ranges_returns_empty_on_non_mapping_document
  — parameterized: bare sequence and scalar 'steps:' value both
  return {} without raising.
* test_pull_tool_returns_bounded_step_content
  — end-to-end get_recipe_section over every post-prune step
  against a real open_kitchen artifact (REQ-B-T2); unknown
  section returns section_not_found envelope.
* test_artifact_recreation_from_parsed_recipe
  — artifact delete → get_recipe_section recreates (REQ-B-T4);
  monkeypatched serve_recipe returns invalid → recipe_artifact_unavailable.
* test_large_step_chunked_via_continuation
  — oversized persisted artifact + backend=None (40KB bound)
  → chunked pull with has_more / next_part cursor (REQ-B-T5).
…ull test fixture

- core/io.py: add step_byte_ranges_from_yaml() helper that owns the
  yaml.compose() / MappingNode fail-open logic; re-exported via
  core/__init__.pyi. Centralizes the lone yaml import in production.
- server/tools/_serve_helpers.py: drop 'import yaml'; rewrite
  _compute_step_byte_ranges as a thin wrapper over the new helper.
- tests/arch/test_pyright_suppression_allowlist.py: bump recipe/__init__.py
  entry line 278 -> 282 to track the Part B re-export block insertion.
- tests/server/test_tools_recipe_pull.py: change persist_recipe_artifact
  in test_large_step_chunked_via_continuation from tmp_path to
  tool_ctx_kitchen_open.temp_dir so the giant-step payload overwrites
  the artifact that get_recipe_section will actually read from.
…ution cascade

Part C envelope-fit test imports autoskillit.execution.backends.BACKEND_REGISTRY
inside a function body. The cascade_map_guard REQ-GUARD-005 AST check uses
ast.walk which captures all imports regardless of context, so the previously
undeclared file-level consumer fails the drift guard. Adding the explicit
file-level entry mirrors the existing infra/test_pretty_output_hook_infra.py
entry in the same execution cascade set.
Trecek added 10 commits July 21, 2026 08:06
Iterate the bound down to 200 tokens (800 bytes) so even the
``implementation`` payload (~285 serialized tokens) overflows and
``maybe_envelope_recipe_response`` builds the bounded envelope.
The skeleton stays small enough to fit because of the empty-
summaries/-edges path (active recipe ``remediation`` doesn't match
the load_recipe target ``implementation``).
… apply)

MagicMock accepts arbitrary kwargs but doesn't reliably apply
them as attribute values when no spec is given — set
``capabilities`` and ``name`` explicitly after construction so
``getattr(tool_ctx.backend, \"capabilities\", None)`` returns the
intended ``BackendCapabilities`` and ``bound`` is honored by
``maybe_envelope_recipe_response``.
200-token bound (800-byte ceiling) was tight enough to force the
envelope path but rejected the eventual envelope at the final fit
check (implementation's load_recipe metadata — post-prune step
names plus ingredients_table plus routing edges — is wider than
800 bytes when enveloped). 500 tokens (2,000 bytes) keeps the
envelope trigger (implementation's serialized payload exceeds
the bound) while the eventual envelope stays under the ceiling.
500-token (2000-byte) bound is too tight: ``implementation``'s
envelope — post-prune step names plus ingredients_table plus
skeleton plus recipe_pull plus delivery_bound_spill — exceeds
2000 bytes and falls through to the first fail-closed candidate
(which carries ``recipe_pull`` but no ``step_flow_skeleton``).
1000 tokens (4000 bytes) keeps the envelope trigger while giving
the envelope enough headroom to keep its full structure.

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AutoSkillit PR Review — Verdict: changes_requested

return artifact_dir / f"{safe_name or 'response'}_{uuid.uuid4().hex[:8]}.log"


def _recipe_artifact_path(artifact_dir: Path, tool_name: str, recipe_name: str) -> Path:

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[critical] bugs: The artifact path is deterministic per tool and recipe, so reopening the same recipe with different overrides overwrites the payload referenced by an older envelope. get_recipe_section only checks the envelope digest when artifact_sha256 is supplied, while the generated client instructions omit that argument; an older pull can therefore silently return the newer composition. Require recipe_pull.sha256 on every pull or use content-addressed/versioned artifacts.

return json.dumps(
{"success": False, "error": "invalid_recipe_artifact_identity"}
)
persisted = json.loads(persisted_raw)

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[warning] defense: json.loads accepts scalars and arrays here, but the code immediately treats the result as a mapping with .get. A valid-but-wrong-shaped artifact therefore falls into the outer generic exception path instead of returning the structured artifact failure used for corrupt JSON. Validate that persisted is a dict at this boundary and return a contextual recipe-artifact error.

having to thread it through every surface. Re-opening the same recipe
overwrites the artifact (idempotent).
"""
from autoskillit.server._response_budget import _recipe_artifact_path # circular-break

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[warning] arch: Recipe artifact persistence imports the private _recipe_artifact_path helper from the generic response-budget module through a function-local circular-break import, and the pull path repeats that dependency. This splits recipe-artifact ownership across transport projection and tool modules and preserves a latent import cycle; move naming and persistence behind one shared recipe-artifact boundary.

Comment thread tests/server/test_tools_recipe_pull.py Outdated
post_prune_raw = cast(list[object], payload.get("post_prune_step_names") or [])
step_names = [str(n) for n in post_prune_raw if isinstance(n, str)]

skeleton = extract_step_skeleton(

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[warning] tests: This all-recipe/all-backend fit contract builds a synthetic skeleton with no routing edges and uniformly short summaries instead of the production skeleton derived from active recipe steps. It can therefore pass while a real recipe skeleton falls through to the minimal error envelope. Exercise maybe_envelope_recipe_response with the actual active steps and assert the complete pull reference and skeleton survive.

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AutoSkillit review: blocking findings detected. See inline comments — changes requested.

Part B's delivery-bound rework (5d92b46, 9686907) shrank the largest
measured load_recipe/open_kitchen payload sizes; the pinned regression
ceiling in test_canonical_recipe_responses_fit_independent_registry_ceilings
still asserted the pre-shrink values.
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