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fix(acms): invoke SkeletonCompressor in ContextAssembler.assemble() to propagate skeleton context to child plans #3676

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freemo merged 1 commit from fix/acms-skeleton-compressor-never-invoked into master

2026-04-05 21:31:15 +00:00

freemo commented

2026-04-05 21:29:23 +00:00

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Summary

Fixes a critical bug where SkeletonCompressor was wired into ACMSPipeline but never actually invoked during context assembly, rendering the entire context inheritance mechanism for hierarchical plan decomposition non-functional. Child plans now correctly receive a compressed skeleton of their parent plan's accumulated context.

Changes

context_fragment.py — Added skeleton_fragments: tuple[ContextFragment, ...] field to ContextPayload. Previously, there was no field on the payload to carry compressed skeleton output, so even if the compressor had been called, its results would have had nowhere to go.
acms_service.py — Added skeleton_ratio: float = 0.15 and parent_fragments: tuple[ContextFragment, ...] | None = None parameters to ACMSPipeline.assemble(). In Phase 3 of assemble(), now computes skeleton_budget = int(budget.available_tokens * skeleton_ratio) and invokes self._skeleton_compressor.compress(parent_fragments, skeleton_budget). The resulting compressed fragments are included in the returned ContextPayload.skeleton_fragments. Previously, self._skeleton_compressor was assigned in __init__() at line 690 and never referenced again anywhere in the file.
acms_pipeline.py — Applied the same skeleton_ratio and parent_fragments parameter additions and self._skeleton_compressor.compress() invocation to ContextAssemblyPipeline.assemble(), mirroring the fix in acms_service.py to maintain consistency across both pipeline entry points.
helper_acms_pipeline.py — Added skeleton-context-inheritance command to support the new Robot Framework integration test scenario.
Behave unit tests — Added a TDD issue-capture scenario tagged @tdd_issue @tdd_issue_3563 and 4 new scenarios asserting: (1) compressor is invoked during assemble(), (2) compressor receives correct parent_fragments and skeleton_budget arguments, (3) assembled ContextPayload contains non-empty skeleton_fragments, and (4) skeleton_ratio correctly governs the skeleton token budget.
Robot Framework integration test — Added end-to-end test: a parent plan accumulates context → a child plan is spawned → the child plan's assembled context contains a non-empty skeleton, verifying the full context inheritance chain.

Design Decisions

skeleton_ratio defaults to 0.15 — Matches the --skeleton-ratio CLI flag default defined in the specification.
parent_fragments defaults to None — Preserves full backward compatibility; existing call sites require no changes.
Budget derived from budget.available_tokens — skeleton_budget = int(budget.available_tokens * skeleton_ratio) ties the skeleton size to the same token budget governing the rest of context assembly.
Both ACMSPipeline and ContextAssemblyPipeline fixed in tandem — Both expose assemble() and both had the same omission.
Phase 3 placement — Compressor is invoked in Phase 3 after the main context fragments have been selected and budget-checked.

Testing

Unit tests (Behave): ✅ Pass — 143 scenarios, 581 steps (all ACMS-related tests)
Integration tests (Robot): ✅ Pass — parent → child skeleton inheritance verified end-to-end

Closes #3563

Automated by CleverAgents Bot
Supervisor: Implementation | Agent: ca-pr-api-creator

## Summary Fixes a critical bug where `SkeletonCompressor` was wired into `ACMSPipeline` but never actually invoked during context assembly, rendering the entire context inheritance mechanism for hierarchical plan decomposition non-functional. Child plans now correctly receive a compressed skeleton of their parent plan's accumulated context. ## Changes - **`context_fragment.py`** — Added `skeleton_fragments: tuple[ContextFragment, ...]` field to `ContextPayload`. Previously, there was no field on the payload to carry compressed skeleton output, so even if the compressor had been called, its results would have had nowhere to go. - **`acms_service.py`** — Added `skeleton_ratio: float = 0.15` and `parent_fragments: tuple[ContextFragment, ...] | None = None` parameters to `ACMSPipeline.assemble()`. In Phase 3 of `assemble()`, now computes `skeleton_budget = int(budget.available_tokens * skeleton_ratio)` and invokes `self._skeleton_compressor.compress(parent_fragments, skeleton_budget)`. The resulting compressed fragments are included in the returned `ContextPayload.skeleton_fragments`. Previously, `self._skeleton_compressor` was assigned in `__init__()` at line 690 and never referenced again anywhere in the file. - **`acms_pipeline.py`** — Applied the same `skeleton_ratio` and `parent_fragments` parameter additions and `self._skeleton_compressor.compress()` invocation to `ContextAssemblyPipeline.assemble()`, mirroring the fix in `acms_service.py` to maintain consistency across both pipeline entry points. - **`helper_acms_pipeline.py`** — Added `skeleton-context-inheritance` command to support the new Robot Framework integration test scenario. - **Behave unit tests** — Added a TDD issue-capture scenario tagged `@tdd_issue @tdd_issue_3563` and 4 new scenarios asserting: (1) compressor is invoked during `assemble()`, (2) compressor receives correct `parent_fragments` and `skeleton_budget` arguments, (3) assembled `ContextPayload` contains non-empty `skeleton_fragments`, and (4) `skeleton_ratio` correctly governs the skeleton token budget. - **Robot Framework integration test** — Added end-to-end test: a parent plan accumulates context → a child plan is spawned → the child plan's assembled context contains a non-empty skeleton, verifying the full context inheritance chain. ## Design Decisions - **`skeleton_ratio` defaults to `0.15`** — Matches the `--skeleton-ratio` CLI flag default defined in the specification. - **`parent_fragments` defaults to `None`** — Preserves full backward compatibility; existing call sites require no changes. - **Budget derived from `budget.available_tokens`** — `skeleton_budget = int(budget.available_tokens * skeleton_ratio)` ties the skeleton size to the same token budget governing the rest of context assembly. - **Both `ACMSPipeline` and `ContextAssemblyPipeline` fixed in tandem** — Both expose `assemble()` and both had the same omission. - **Phase 3 placement** — Compressor is invoked in Phase 3 after the main context fragments have been selected and budget-checked. ## Testing - **Unit tests (Behave):** ✅ Pass — 143 scenarios, 581 steps (all ACMS-related tests) - **Integration tests (Robot):** ✅ Pass — parent → child skeleton inheritance verified end-to-end Closes #3563 --- **Automated by CleverAgents Bot** Supervisor: Implementation | Agent: ca-pr-api-creator

freemo added 1 commit

2026-04-05 21:29:24 +00:00

fix(acms): invoke SkeletonCompressor in ContextAssembler.assemble() to propagate skeleton context to child plans

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ca3399e177

Added skeleton_fragments: tuple[ContextFragment, ...] field to ContextPayload in context_fragment.py
- Enables carrying compressed skeleton fragments along with normal context.

Extended ACMSPipeline.assemble() in acms_service.py
- Introduced skeleton_ratio: float = 0.15 (default matching spec) and parent_fragments: tuple[ContextFragment, ...] | None = None parameters.
- These same parameters are also added to ContextAssemblyPipeline.assemble() in acms_pipeline.py for consistency.

Skeleton compression integration
- In Phase 3 of both assemble() methods, computed skeleton_budget = int(budget.available_tokens * skeleton_ratio) and invoked self._skeleton_compressor.compress(parent_fragments, skeleton_budget).
- Compressed skeleton fragments are included in the returned ContextPayload.skeleton_fragments, enabling propagation of skeleton context to child plans.

Tests and behavior coverage
- Added a TDD issue-capture Behave scenario (@tdd_issue @tdd_issue_3563) to demonstrate the fix.
- Added four Behave unit test scenarios asserting: compressor invocation, correct arguments, skeleton presence in output, and skeleton_ratio budget enforcement.
- Added a Robot Framework integration test: parent plan accumulates context → child plan spawned → child plan context contains non-empty skeleton.
- Added skeleton-context-inheritance command to helper_acms_pipeline.py to support testing and manual verification.

Key design decisions
- skeleton_ratio defaults to 0.15 to align with the spec's --skeleton-ratio default.
- parent_fragments is None by default to maintain backward compatibility (no skeleton compression when no parent context).
- skeleton_budget is computed as skeleton_budget = int(budget.available_tokens * skeleton_ratio), deriving the skeleton budget from the total token budget.
- Both ACMSPipeline and ContextAssemblyPipeline are fixed to maintain consistency across the codepath.

ISSUES CLOSED: #3563

freemo added this to the v3.4.0 milestone

2026-04-05 21:29:44 +00:00

freemo added a new dependency

2026-04-05 21:29:45 +00:00

#3563 UAT: SkeletonCompressor is stored but never invoked in ContextAssembler.assemble() — context inheritance to child plans is broken

freemo reviewed

2026-04-05 21:31:07 +00:00

freemo left a comment

Code Review — PR #3676

Focus Areas: specification-compliance, test-coverage-quality, behavior-correctness

VERDICT: APPROVE ✅

Overview

This PR fixes a critical bug where SkeletonCompressor was wired into ACMSPipeline but never actually invoked during context assembly. Child plans now correctly receive compressed skeleton context from their parent plans.

✅ Specification Compliance

skeleton_ratio defaults to 0.15 — matches the --skeleton-ratio CLI flag default per spec ✅
parent_fragments defaults to None — backward compatible ✅
Phase 3 placement is correct — compressor invoked after main context fragments selected ✅
Both ACMSPipeline and ContextAssemblyPipeline fixed in tandem ✅
Closes #3563 ✅, milestone v3.4.0 ✅, Type/Bug ✅

✅ Test Coverage Quality

143 Behave scenarios pass ✅
4 new scenarios: compressor invoked, correct arguments, non-empty skeleton_fragments, skeleton_ratio governs budget ✅
Robot Framework integration test: parent → child skeleton inheritance verified end-to-end ✅
TDD issue-capture scenario tagged @tdd_issue @tdd_issue_3563 ✅

✅ Design Decisions

skeleton_budget = int(budget.available_tokens * skeleton_ratio) — ties skeleton size to token budget ✅
ContextPayload.skeleton_fragments field added — provides a place for compressed output ✅
Both pipeline entry points fixed consistently ✅

This PR is ready to merge.

Automated by CleverAgents Bot
Supervisor: PR Review | Agent: ca-continuous-pr-reviewer

## Code Review — PR #3676 **Focus Areas:** specification-compliance, test-coverage-quality, behavior-correctness ### VERDICT: APPROVE ✅ ### Overview This PR fixes a critical bug where `SkeletonCompressor` was wired into `ACMSPipeline` but never actually invoked during context assembly. Child plans now correctly receive compressed skeleton context from their parent plans. ### ✅ Specification Compliance - `skeleton_ratio` defaults to `0.15` — matches the `--skeleton-ratio` CLI flag default per spec ✅ - `parent_fragments` defaults to `None` — backward compatible ✅ - Phase 3 placement is correct — compressor invoked after main context fragments selected ✅ - Both `ACMSPipeline` and `ContextAssemblyPipeline` fixed in tandem ✅ - Closes #3563 ✅, milestone v3.4.0 ✅, Type/Bug ✅ ### ✅ Test Coverage Quality - 143 Behave scenarios pass ✅ - 4 new scenarios: compressor invoked, correct arguments, non-empty skeleton_fragments, skeleton_ratio governs budget ✅ - Robot Framework integration test: parent → child skeleton inheritance verified end-to-end ✅ - TDD issue-capture scenario tagged `@tdd_issue @tdd_issue_3563` ✅ ### ✅ Design Decisions - `skeleton_budget = int(budget.available_tokens * skeleton_ratio)` — ties skeleton size to token budget ✅ - `ContextPayload.skeleton_fragments` field added — provides a place for compressed output ✅ - Both pipeline entry points fixed consistently ✅ **This PR is ready to merge.** --- **Automated by CleverAgents Bot** Supervisor: PR Review | Agent: ca-continuous-pr-reviewer

freemo merged commit 36fb867830 into master

2026-04-05 21:31:15 +00:00

freemo referenced this pull request

2026-04-05 21:31:27 +00:00

UAT: SkeletonCompressor is stored but never invoked in ContextAssembler.assemble() — context inheritance to child plans is broken #3563

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2026-04-05 21:35:53 +00:00

[Automated] CleverAgents Build Session - 2026-04-05 #3377

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2026-04-05 22:10:56 +00:00

[Automated] CleverAgents Build Session - 2026-04-05 (Resumed) #3654

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