fix(orchestration): repair main build after #4249/#4430 squash-merge

[senamakel]

Summary

• Repairs the main build, which does not compile after the TinyAgents migration (Improve agent harness with LangGraph-style state machine or Polaris-like architecture #4249) squash-merged on top of the subconscious-orchestration layer (feat(orchestration): subconscious split-brain layer (stages 4-8) #4430).
• #4430's wake graph still imports/uses SqlRunLedgerCheckpointer, which the migration deleted (04.3) — ports it to the crate SqliteCheckpointer.
• #4430's new frontend_agent/reasoning_agent registrations pass a bare graph_fn, but the migration made that field Option<fn() -> AgentGraph> (08.4) — wraps them in Some(...).

Problem

The two PRs were mutually incompatible at the seam and merged in an order that landed the pre-integration state on main. cargo check on main fails with:

• E0432: unresolved import crate::openhuman::tinyagents::SqlRunLedgerCheckpointer (orchestration/graph/mod.rs, orchestration/ops.rs test) — the type was removed by the migration.
• E0308: mismatched types ×2 (agent_registry/agents/loader.rs:294,300) — bare fn where Option<fn()->AgentGraph> is expected.

These fixes were prepared while resolving the migration branch's conflicts but did not reach main because the PR squash-merged at the pre-fix commit.

Solution

• agent_registry/agents/loader.rs: wrap the two orchestration graph_fn entries in Some(...).
• orchestration/graph/mod.rs, orchestration/ops.rs (test), orchestration/graph/state.rs (doc): drive the wake graph's durable checkpoints through the crate SqliteCheckpointer at a dedicated {workspace}/orchestration_checkpoints.db, mirroring agent_orchestration/delegation.rs. Pre-swap in-flight wake graphs simply expire (orphaned tasks reconciled at boot per 07.2).

Verified: main + this fix compiles clean (both Cargo worlds); 366 tests pass across the touched areas (orchestration::*, agent_registry::agents::loader).

Submission Checklist

• Tests added or updated — the ported ops.rs wake-cycle test now asserts persistence via SqliteCheckpointer reading the same orchestration_checkpoints.db the graph writes (happy path + the disabled/empty short-circuits are covered upstream).
• Diff coverage ≥ 80% — the changed lines are exercised by the existing orchestration::* cycle tests (checkpointer construction + list) and the registry loader parse tests.
• Coverage matrix updated — N/A: build-repair, no feature behaviour change.
• All affected feature IDs listed under ## Related — N/A: no feature IDs.
• No new external network dependencies introduced.
• Manual smoke checklist updated if this touches release-cut surfaces — N/A: internal checkpointer wiring only.
• Linked issue closed — N/A: no dedicated issue; fixes the #4249/#4430 merge seam.

Impact

• Restores compilation of the Rust core (openhuman) and, transitively, the Tauri host. No runtime behaviour change beyond the durable-checkpoint store location for the subconscious wake graph (orchestration_checkpoints.db instead of the retired run-ledger table).
• No migration/compat concerns: nothing outside the retired SqlRunLedgerCheckpointer read the old table.

Related

• Closes:
• Follow-up PR(s)/TODOs: fixes the merge seam between Improve agent harness with LangGraph-style state machine or Polaris-like architecture #4249 (TinyAgents migration) and feat(orchestration): subconscious split-brain layer (stages 4-8) #4430 (subconscious split-brain).

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AI Authored PR Metadata (required for Codex/Linear PRs)

Linear Issue

• Key: N/A
• URL: N/A

Commit & Branch

• Branch: fix/4249-orchestration-checkpointer-build

https://claude.ai/code/session_0137dT9i1vLjeUQZ3mj8ZAct

Summary by CodeRabbit

• New Features

  • Added two new bundled MCP prompt resources for the frontend and reasoning orchestration wake-graph agents.

• Bug Fixes

  • Improved orchestration checkpointing by switching to a SQLite-backed store for more reliable session persistence across restarts and long runs.
  • Fixed built-in agent registration so their graph configuration is loaded in the expected optional format.
  • Kept checkpointing behavior consistent across orchestration runs and related automated tests.

• Performance

  • Reduced runtime snapshot cache freshness TTL from 10s to 2s for quicker refresh behavior.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro

Run ID: 5b9ef41d-0755-44e5-a9bd-c17fd929f6cd

📥 Commits

Reviewing files that changed from the base of the PR and between fd65c67 and 11bd3d6.

📒 Files selected for processing (2)

• src/openhuman/app_state/ops.rs
• src/openhuman/mcp_server/resources.rs

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📝 Walkthrough

Walkthrough

Orchestration checkpointing now uses a SQLite-backed database file, with matching documentation and test updates. The builtin agent registry now wraps two graph functions in Some(...), new bundled prompt resources were added, and the runtime snapshot TTL was shortened.

Changes

Orchestration checkpoint migration

Layer / File(s)	Summary
Checkpoint store switch to SQLite src/openhuman/orchestration/graph/mod.rs, src/openhuman/orchestration/graph/state.rs	Imports SqliteCheckpointer, opens orchestration_checkpoints.db under workspace_dir, and maps open failures in run_orchestration_graph; the checkpoint boundary comment is updated to reference the SQLite-backed boundary.
Test wiring for SQLite checkpointer src/openhuman/orchestration/ops.rs	Updates the orchestration ops test imports and switches the full-cycle persistence test to open SqliteCheckpointer from workspace_dir/orchestration_checkpoints.db.

Agent registry and runtime resource updates

Layer / File(s)	Summary
Builtin agent graph_fn wrapping src/openhuman/agent_registry/agents/loader.rs	frontend_agent and reasoning_agent now set graph_fn as Some(...) in the builtin registry.
Agent prompt resources and snapshot TTL src/openhuman/mcp_server/resources.rs, src/openhuman/app_state/ops.rs	Adds bundled prompt resources for frontend_agent and reasoning_agent, and reduces RUNTIME_SNAPSHOT_TTL from 10 seconds to 2 seconds with updated documentation.

Estimated code review effort: 3 (Moderate) | ~20 minutes

Possibly related PRs

• tinyhumansai/openhuman#4261: Related loader-side graph_fn handling in the same agent registry area.
• tinyhumansai/openhuman#4430: Directly overlaps with the orchestration wake-graph checkpointing flow updated here.

Suggested labels: rust-core, agent, bug

Suggested reviewers: M3gA-Mind

Poem

A rabbit hummed by moonlit trees,
With SQLite files and gentler breeze.
Two graph_fn hops now fit just right,
New prompts glow softly in the night.
And snapshots blink with swifter cheer 🐇

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly summarizes the main goal: repairing the main build after the #4249/#4430 merge.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

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