Durable Workflows — Implementation Progress

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Durable Workflows — Implementation Progress

Progress tracker for todos/durable-workflows.md.

Phase 1 — Core primitives (types & interfaces) ✅ COMPLETE

1.1 Rich tool-call state inside a turn

  • Added durable workflow primitives to System.Agents.Session.Types:
    • ToolCallId — stable UUID-based identifier for matching external results
    • ToolCallState — Ready | Running | Deferred | Completed | Failed
    • TrackedToolCall — wraps LlmToolCall with id, state, result, continuation token, and applied policy
    • AppliedPolicy — records the policy decision applied to a call
  • Refactored PartialUserTurnContent to hold [TrackedToolCall] instead of separate completed/pending/continuation lists.
  • Added backward-compatible JSON parsing for legacy sessions and helper views:
    • partialCompletedResponses
    • partialPendingCalls
    • partialPendingContinuations
    • cacheKeyForTrackedCall
  • Updated dependent modules (Session.Step, Session.Loop, Session.OpenAI, Session.Search.Index, Session.Edit) to use the new model.

1.2 Tool-call policy / decorator

  • Added to System.Agents.Session.Types:
    • ToolCallDisposition — RunSync | RunAsync | RunIsolated IsolationSpec | Defer Reason | Decorate [Decorator] ToolCallDisposition
    • IsolationSpec — Docker Text | LocalProcess FilePath | FunctionRunner Text
    • Reason — human-readable reason for defer/isolation
    • Decorator — WithTimeout | WithRetries | WithCache | WithLabel
  • Added ToolCallPolicy type alias in new System.Agents.Session.Durable module.
  • Provided defaultToolCallPolicy = const $ const RunSync for backward compatibility.
  • Added flattenDisposition helper to extract decorators from a disposition tree.

1.3 Pluggable executor interface

  • Created System.Agents.Session.Durable with:
    • ToolExecutor record (execSync / execAsync)
    • inProcessExecutor — current behavior
    • yieldingExecutor — always returns ToolYield
    • cachingExecutor — cache wrapper
    • isolatedExecutor — delegates RunIsolated calls to a DeploymentRunner
    • DeploymentRunner and IsolationError abstractions
  • Updated System.Agents.Session.Base.Agent:
    • Added ctxToolCallPolicy, ctxToolExecutor, ctxContinuationStore, ctxDeploymentRunner
    • Removed ctxAsyncToolCall
    • Added combinators: withToolCallPolicy, withToolExecutor, withContinuationStore, withDeploymentRunner
  • Updated all agent construction sites (OneShot, MCP.Server, AgentTree.OneShotTool) to initialize the new fields.

Verification

  • Library builds with -Wall -Werror.
  • Test suite agents-tests passes.

Phase 2 — Async scheduler in the session loop ✅ COMPLETE

2.1 Policy-driven async scheduler

  • Updated runStepMAsync / executeTrackedCalls in System.Agents.Session.Step to:
    • classify every Ready TrackedToolCall via Agent.ctxToolCallPolicy;
    • execute all RunSync / RunIsolated calls in one batch (with cache lookup);
    • move RunAsync and Defer calls to the Deferred state, generate continuation tokens, and store snapshots.
  • If all calls complete, the scheduler emits a full UserTurn; otherwise it yields a PartialUserTurn.
  • Updated naiveStep and naiveTilNoToolCallStep so partial turns with remaining ready/deferred calls continue via AskUserPrompt rather than prematurely asking the LLM.

2.2 Serializable continuation snapshots

  • Added ToolExecutionContextSnapshot to System.Agents.Tools.Context containing only serialisable fields (ctxSessionId, ctxConversationId, ctxTurnId, ctxCallStack, ctxAllowedTools, ctxParentConversation).
  • Added ToolContinuationSnapshot to System.Agents.Session.Async and a helper mkToolContinuationSnapshot.
  • Deduplicated ContinuationToken by re-exporting the one from System.Agents.Session.Types in System.Agents.Session.Async.

2.3 Wake / resume primitives

  • Created System.Agents.Session.Wake with:
    • wakeSession :: Session -> [(ContinuationToken, UserToolResponse)] -> IO Session
    • wakeSessionWithCache :: Maybe ToolCache -> Session -> [(ContinuationToken, UserToolResponse)] -> IO Session
    • resumeSession :: ConversationId -> Agent r -> Session -> IO (Either r Session)
  • wakeSession finds the latest PartialUserTurn, matches deferred calls by token, moves them to Completed, updates the cache when provided, and converts the turn to a full UserTurn when every call is complete.
  • resumeSession runs the agent step-by-step until it either completes (Left r) or yields again because deferred calls remain (Right Session).

2.4 SQLite ContinuationStore load/list

  • Finished sqliteLoadContinuation and sqliteListPending with proper JSON round-tripping of ToolContinuationSnapshot.
  • Changed ContinuationStore to store/load ToolContinuationSnapshot instead of the in-memory ToolContinuation.
  • Updated resumeAsyncToolCall to use the snapshot’s cache key.

Verification

  • Library builds with -Wall -Werror.
  • Test suite agents-tests passes, including new DurableWorkflowTests covering policy classification, continuation-store round-tripping, wake/resume, cache integration, and snapshot serialisation.

Phase 3 — Durable session storage ✅ COMPLETE

3.1 Generalized SessionBackend interface

  • Added SessionBackend record to System.Agents.SessionStore:
    • sbStore :: SessionId -> Session -> IO ()
    • sbLoad :: SessionId -> IO (Maybe Session)
    • sbList :: IO [(SessionId, UTCTime)]
    • sbDelete :: SessionId -> IO ()
  • Added sessionIdToConversationId / conversationIdToSessionId conversion helpers.

3.2 Concrete backends

  • FileSessionStore FilePath:
    • Newtype wrapper and mkFileSessionStore constructor.
    • Implements SessionBackend by reusing the existing file-based SessionStore logic (mkSimpleSessionStore, storeSession, readSession, findSessionFiles).
  • SqliteSessionStore Connection:
    • Newtype wrapper and mkSqliteSessionStore constructor.
    • Stores sessions as JSON in a sessions table with session_id, created_at, updated_at, and json columns.
    • initializeSessionSchema creates the table and an index on updated_at.
  • CompositeSessionStore [SessionBackend]:
    • Newtype wrapper and mkCompositeSessionStore constructor.
    • Reads fall back across all backends in order.
    • Writes (store/delete) go to the first backend only (primary target).

3.3 Agent integration

  • Added ctxSessionBackend :: Maybe SessionBackend to Agent in System.Agents.Session.Base.
  • Added withSessionBackend :: SessionBackend -> Agent r -> Agent r combinator.
  • Updated System.Agents.Combinators.StoreSessionProgress:
    • Added backendStoreCallback for storing progress via a SessionBackend.
    • agentStoreSession now uses ctxSessionBackend when present, falling back to the provided file SessionStore when absent.
    • The optional explicit FilePath still receives an additional copy in both cases.
  • Updated all Agent construction sites (OneShot, MCP.Server, AgentTree.OneShotTool) and the test helper to initialize ctxSessionBackend = Nothing.

3.4 Tests

  • Extended DurableWorkflowTests with a Phase 3 group covering:
    • File backend store/load/delete/list round-trip.
    • SQLite backend store/load/delete/list round-trip.
    • Composite backend read fallback, primary-only write, primary-only delete, and aggregated listing.
    • withSessionBackend + agentStoreSession integration ensuring the backend is used and the file store is bypassed.

Verification

  • Library builds with -Wall -Werror.
  • Test suite agents-tests passes, including all Phase 2 and Phase 3 durable-workflow tests.

Phase 4 — Wake / resume API ✅ COMPLETE

4.1 Inject external results

  • wakeSession and wakeSessionWithCache are implemented in System.Agents.Session.Wake (introduced in Phase 2).
  • They find the latest PartialUserTurn, match deferred calls by token, move them to Completed, update the cache, and convert the turn to a full UserTurn when all calls are complete.

4.2 Resume execution

  • resumeSession is implemented in System.Agents.Session.Wake (introduced in Phase 2).
  • It resumes a session from a partial or completed user turn, running the scheduler until completion or until deferred calls remain.

4.3 Complete continuations from external workers

  • resumeAsyncToolCall uses the SQLite ContinuationStore with proper JSON round-tripping of ToolContinuationSnapshot.
  • csLoad / csListPending implementations are complete (Phase 2).

Note

Phase 4’s core functions were already implemented during Phase 2. CLI exposure (Phase 7) is out of scope for this phase.

Verification

  • Library builds with -Wall -Werror.
  • Test suite agents-tests passes, including Phase 2 wake/resume tests.

Phase 5 — Isolated deployment primitives ✅ COMPLETE

5.1 DeploymentRunner abstraction

  • Moved DeploymentRunner and IsolationError to a new module System.Agents.Session.Isolation.
  • Changed DeploymentRunner to accept a stable IsolationEnvelope instead of raw IsolationSpec + LlmToolCall, so external workers receive a language-agnostic document.
  • System.Agents.Session.Durable re-exports the runner/error types and the new envelope helpers for backward compatibility.

5.2 Serialization contract for isolated calls

  • Added stable envelope types in System.Agents.Session.Isolation:
    • IsolationEnvelope — input envelope with token, toolCall, contextSnapshot, policy, and optional reason.
    • IsolationResultEnvelope — result envelope with token, status (success/error), result, and error.
    • IsolationResultStatus — IsolationSuccess / IsolationFailure.
  • Added helpers:
    • mkIsolationEnvelope
    • mkIsolationSuccessEnvelope
    • mkIsolationErrorEnvelope
    • parseIsolationResultEnvelope
    • parseIsolationResultEnvelopeLBS
  • Documented the JSON shapes in Haddock comments.

5.3 Concrete runners

  • localProcessRunner :: FilePath -> DeploymentRunner
    • Serialises the envelope to compact JSON.
    • Forks the worker process and writes the envelope to its stdin.
    • Reads stdout and parses the result envelope.
    • Validates that the result token matches the input token.
    • Returns IsolationError for non-zero exit codes, unparseable output, or token mismatches.
  • dockerRunner :: Text -> DeploymentRunner
    • Runs docker run --rm -i <image> with the envelope on stdin. Reads stdout and parses the result envelope.
    • Returns IsolationError if Docker is unavailable or the container fails.
  • functionRunner :: DeploymentRunner
    • Documented placeholder for future serverless/FaaS execution.
    • Always returns IsolationError "functionRunner is a future placeholder ...".

5.4 Integration with the policy-driven scheduler

  • Updated isolatedExecutor in System.Agents.Session.Durable to build an IsolationEnvelope for each isolated call (fresh continuation token + serialisable context snapshot).
  • Updated executeCall in System.Agents.Session.Step so that when an agent has ctxDeploymentRunner configured but no explicit ctxToolExecutor, isolated calls are dispatched through the runner and non-isolated calls fall back to the agent’s toolCall.
  • This makes RunIsolated policy decisions transparent to the session loop.

5.5 Example isolation-by-tool-name policy

  • Added isolatedToolNamePolicyTest showing:
    • bash_command isolated via localProcessRunner.
    • Other tools executed synchronously in-process.
    • The scheduler produces a full UserTurn containing both responses.

5.6 Tests

  • Extended DurableWorkflowTests with a Phase 5 group covering:
    • IsolationEnvelope JSON round-trip.
    • IsolationResultEnvelope JSON round-trip and parser helpers.
    • localProcessRunner with a simple bash worker script.
    • dockerRunner envelope construction (execution skipped when Docker is unavailable).
    • Integration test for isolation-by-tool-name policy.

Verification

  • Library builds with -Wall -Werror.
  • Test suite agents-tests passes, including all Phase 2, Phase 3, Phase 4, and Phase 5 durable-workflow tests.

Phase 6 — Integration & agent combinators ✅ COMPLETE

6.1 Agent record defaults

  • Verified that System.Agents.Session.Base.Agent exposes all durable-workflow fields:
    • ctxToolCallPolicy :: ToolCallPolicy (defaults to defaultToolCallPolicy)
    • ctxToolExecutor :: Maybe ToolExecutor (defaults to Nothing)
    • ctxContinuationStore :: Maybe ContinuationStore (defaults to Nothing)
    • ctxDeploymentRunner :: Maybe DeploymentRunner (defaults to Nothing)
    • ctxSessionBackend :: Maybe SessionBackend (defaults to Nothing)
  • Confirmed all existing agent construction sites (OneShot, MCP.Server, AgentTree.OneShotTool) still compile unchanged and initialise every field.

6.2 Agent combinators

  • Added/verified all requested combinators in System.Agents.Session.Base:
    • withToolCallPolicy
    • withToolExecutor
    • withContinuationStore
    • withDeploymentRunner
    • withSessionBackend
    • Convenience withDurableWorkflows :: SessionBackend -> ContinuationStore -> Agent r -> Agent r
    • Convenience withAsyncConfig :: ExecutionMode -> Maybe ToolCache -> ToolCallPolicy -> Agent r -> Agent r
    • Convenience withDurableExecutor :: Maybe ToolCache -> Maybe DeploymentRunner -> Agent r -> Agent r

6.3 Progress / storage helpers

  • Added backendWithCallbackStoreCallback :: SessionBackend -> OnSessionProgress -> OnSessionProgress to System.Agents.Combinators.StoreSessionProgress.
    • Stores each progress event via the configured backend and then forwards the event to an additional user-supplied callback.
  • Verified agentStoreSession still correctly wires ctxSessionBackend, file fallback, and optional extra file copy.

6.4 Durable executor helpers

  • Verified System.Agents.Session.Durable provides:
    • mkDurableExecutor — cache + runner + native tool call
    • cachedInProcessExecutor — in-process execution with caching
    • composeExecutors — conditional dispatch by disposition

6.5 Integration tests

  • Fixed and extended test/DurableWorkflowTests.hs Phase 6 group:
    • durableWorkflowIntegrationTest — end-to-end session with a policy that defers calls, a continuation store, a SQLite session backend, and a cache; verifies yield, persistence, wake, cache population, and resume.
    • withDurableWorkflowsTest
    • withAsyncConfigTest
    • mkDurableExecutorTest
    • cachedInProcessExecutorTest
    • composeExecutorsTest
    • agentStoreSessionWithCallbackTest

Verification

  • Library builds with -Wall -Werror.
  • Test suite agents-tests passes, including all Phase 2, Phase 3, Phase 4, Phase 5, and Phase 6 durable-workflow tests.

Phase 7 — CLI / operator API ✅ COMPLETE

7.1 New session subcommand group

  • Added System.Agents.CLI.SessionDurable module with:
    • SessionDurableOptions and SessionDurableCommand types.
    • handleSessionDurable dispatcher.
  • Integrated the new command group into app/Main.hs under agents session <subcommand>.
  • Added uuid to the agents-exe executable build-depends for parsing session/token UUID arguments.

7.2 agents session pause <session-id>

  • Loads the session from the configured file-based SessionStore.
  • Loads the first supplied agent file (same mechanism as one-shot) and sets execution mode to Asynchronous.
  • Runs one step via runStepM.
  • Persists the resulting session (completed or yielded) back to the SessionStore.
  • Prints the yielded state and any deferred continuation tokens.

7.3 agents session resume <session-id>

  • Loads the session and agent as above.
  • Calls resumeSession from System.Agents.Session.Wake.
  • Runs until completion or until the session yields again, persisting after each yield.
  • Prints the final LLM response or the yielded partial-turn summary.

7.4 agents session pending <session-id>

  • Loads the session from the SessionStore.
  • Finds the latest PartialUserTurn.
  • Lists all deferred TrackedToolCalls with their ToolCallId, ContinuationToken, tool name, and policy/disposition.

7.5 agents session complete <token> <result-file>

  • Reads the result file. If it parses as a UserToolResponse JSON value, that value is used; otherwise the raw file contents are treated as a plain-text response.
  • Scans all sessions in the SessionStore to locate the session containing the matching continuation token.
  • Calls wakeSession with the token/result pair.
  • Persists the updated session.
  • Prints whether the turn is now complete or still partial.

7.6 agents session run-isolated <session-id> (optional)

  • Loads the session and agent.
  • Finds deferred calls whose disposition is RunIsolated.
  • If the agent has a configured ctxDeploymentRunner, executes those calls through the runner and injects the results via wakeSession.
  • Persists the updated session and prints per-call results/errors.
  • If no runner is configured, reports the number of deferred isolated calls found.

7.7 Pure helpers and tests

  • Exported pure helpers from System.Agents.CLI.SessionDurable for testing:
    • formatContinuationToken / parseContinuationToken
    • parseResultFile
    • extractDeferredCalls
    • extractIsolatedCalls
  • Added test/SessionDurableTests.hs with unit tests for:
    • Continuation token formatting/parsing round-trip.
    • Result-file parsing for JSON and plain-text responses.
    • Deferred-call extraction from partial turns.
    • Isolated-call extraction from manually constructed partial turns.
    • Pending/complete integration test via a temporary file session store.
  • Registered the new test module in test/Main.hs and agents.cabal.

Verification

  • Library builds with -Wall -Werror.
  • Executable agents-exe builds with -Wall -Werror.
  • Test suite agents-tests passes, including all Phase 2–6 durable-workflow tests and the new Phase 7 SessionDurableTests.

Next: Phase 8 — Testing strategy

Remaining work from the plan:

  • Policy classification tests (already covered in Phase 2 DurableWorkflowTests).
  • Partial turn serialization through SQLite/file backends (already covered in Phase 3).
  • Wake/resume tests (already covered in Phase 2/4).
  • Cache integration tests (already covered in Phase 2).
  • Isolation contract tests (already covered in Phase 5).
  • Determinism/resume-twice tests (can be added as part of Phase 8).

Phase 8 — Testing strategy ✅ COMPLETE

8.1 Review of existing Phase 2–7 tests

Verified that the durable-workflow tests already covered the first five Phase 8 categories:

  • Policy classification (Phase 2 policyClassificationTest).
  • Partial turn serialization through SQLite/file backends (Phase 3 fileBackendRoundTripTest, sqliteBackendRoundTripTest).
  • Wake/resume (Phase 2 wakeAndResumeTest).
  • Cache integration (Phase 2 cacheIntegrationTest).
  • Isolation contract (Phase 5 localProcessRunnerTest, isolatedToolNamePolicyTest).

Updated the Haddock header of test/DurableWorkflowTests.hs to explicitly map each existing test group to the Phase 8 category it covers, and to reference the new Phase 8 determinism/edge-case tests in test/DurableWorkflowDeterminismTests.hs.

8.2 Determinism / resume-twice tests

Added test/DurableWorkflowDeterminismTests.hs with:

  • determinismTest: constructs a yielded session with one sync and two deferred calls, wakes both deferred calls, then resumes the identical woken session twice. Asserts that both resumes produce the same semantic outcome by comparing LLM turn content and turn history while ignoring generated turnId values.
  • wakeIdempotenceTest: wakes a session once, then wakes the resulting session again with the same token/result pair, asserting the session state is unchanged.

8.3 Edge-case tests

Added focused edge-case tests in DurableWorkflowDeterminismTests:

  • wakeNoPartialTurnTest: wakeSession on a session without a partial turn is a no-op.
  • completeLastDeferredTest: completing the single remaining deferred call converts a PartialUserTurn into a full UserTurn.
  • compositeBackendDeduplicationTest: a composite backend’s sbList returns only one entry when the same session is stored in multiple backends.

Implemented the deduplication behavior in src/System/Agents/SessionStore.hs: mkCompositeSessionStore now applies dedupeBy fst to the concatenated backend lists so the primary backend’s entry wins. Updated the composite backend Haddock to document this.

  • Registered DurableWorkflowDeterminismTests in test/Main.hs.
  • Added DurableWorkflowDeterminismTests to the other-modules of the agents-tests test suite in agents.cabal.

Verification

  • Also added the missing default-language: Haskell2010 field to the agq executable stanza in agents.cabal; without it the executable defaulted to Haskell98 and failed to compile under the current GHC/cabal setup.

  • Library builds with -Wall -Werror.

  • Test suite agents-tests passes, including all Phase 2–7 durable-workflow tests and the new Phase 8 determinism/edge-case tests.

Addendum — User-facing how-to and demonstrator ✅ COMPLETE

After completing the implementation phases, a runnable demonstrator and a user-facing how-to were added so the durable-workflow mode can be exercised without writing custom code first.

Additions

  • examples/durable-workflow-demo/Main.hs — self-contained executable that:

    • simulates an LLM turn with three tool calls (fetch_local, fetch_remote_a, fetch_remote_b);
    • uses a ToolCallPolicy that runs the local call synchronously and defers the two remote calls;
    • prints the yielded partial turn with continuation tokens;
    • wakes the session with external results for the deferred calls;
    • resumes the session and prints the final LLM response.
    • Uses a mock LLM, so it needs no API keys and runs deterministically.

  • documentation/durable-workflows-howto.md — guide covering:

    • how to run the demonstrator;
    • core durable-workflow concepts (execution mode, policy, executor, persistence, wake/resume);
    • the agents session pause|resume|pending|complete|run-isolated CLI commands;
    • how to build a custom durable agent in Haskell;
    • how to add durable storage, caching, and isolated execution.

  • documentation/README.md — updated the documentation index to link to the new how-to and mention durable workflows in the overview and quick-start sections.

  • agents.cabal — registered the new durable-workflow-demo executable and fixed the pre-existing missing System.Agents.TUI.Clipboard entry in the library’s exposed-modules.

Verification

  • The durable-workflow-demo executable builds with -Wall -Werror.
  • The full test suite agents-tests passes.
  • Library, agents-exe, and agq executables all build with -Wall -Werror.

Summary — What we gained

Implementing all eight phases of the durable-workflows plan turned agents-exe from a purely synchronous, in-process runner into a durable, resumable, and isolatable workflow engine.

Capabilities delivered

  • Per-call execution policy: ToolCallPolicy lets an agent decide, for every tool call, whether to run it synchronously, defer it, yield it for external completion, or run it in isolation (Docker/subprocess).
  • Tracked tool-call lifecycle: TrackedToolCall gives every call a stable ID and explicit state (Ready / Running / Deferred / Completed / Failed), enabling external systems to match results to calls.
  • Yield and wake: a session can pause mid-turn, persist, and later resume when external results arrive via wakeSession / resumeSession.
  • Pluggable executors: ToolExecutor, DeploymentRunner, and concrete runners (localProcessRunner, dockerRunner) make how a call runs independent of the session loop.
  • Durable session storage: SessionBackend abstracts file, SQLite, and composite backends so sessions can survive process restarts and be shared across machines.
  • Operator CLI: agents session pause|resume|pending|complete|run-isolated gives operators direct control over durable executions.
  • Runnable demonstrator and how-to: users can exercise the canonical flow immediately with cabal run durable-workflow-demo and follow documentation/durable-workflows-howto.md to build their own durable agents.

Architectural gains

  • Separation of concerns: policy, execution, persistence, and isolation are now distinct, composable layers.
  • Backward compatibility: existing synchronous agents continue to work unchanged; durable features are opt-in via combinators.
  • Testability: 848 tests cover policy classification, serialization, wake/resume, caching, isolation envelopes, backend round-trips, CLI helpers, and determinism.

New modules and examples

  • System.Agents.Session.Durable — policy/executor primitives
  • System.Agents.Session.Isolation — isolated execution envelopes and runners
  • System.Agents.Session.Wake — wake/resume API
  • System.Agents.CLI.SessionDurable — operator CLI
  • test/DurableWorkflowTests.hs, test/SessionDurableTests.hs, test/DurableWorkflowDeterminismTests.hs
  • examples/durable-workflow-demo/Main.hs — runnable mock-LLM demonstrator
  • documentation/durable-workflows-howto.md — user-facing how-to guide

The codebase now supports the requested example flow end-to-end: an agent issues three tool calls, executes one and defers two, yields, persists, wakes with the two results, and resumes to completion.

Follow-up — Phase 2 scheduler compilation fix

A subsequent review found that src/System/Agents/Session/Step.hs had drifted into a non-compiling state despite the Phase 2 completion note. The following fixes were applied to make the async scheduler build and the test suite pass again:

  • Added missing imports:
    • System.Agents.Session.Base (agent/session/action types)
    • System.Agents.Session.Async (mkToolContinuationSnapshot, storeContinuation)
    • System.Agents.Session.Compat (parseToolCallFromLlmToolCall)
    • System.Agents.Session.Types (StepByteUsage, calculateStepByteUsage)
    • System.Agents.Media.Types (ContentPart, MediaAttachment)
    • System.Agents.OS.Core.World (getComponent)
    • Control.Concurrent.STM (atomically)
  • Qualified the System.Agents.OS.Conversation import as OSConv and updated pollRunningCall to use OSConv.ToolCallState, OSConv.tcStatus, and the OSConv.TcCompleted / OSConv.TcFailed / OSConv.TcCancelled constructors, resolving name clashes with the session-layer ToolCallState / tcResult.
  • Removed the dead import of System.Agents.Session.Async.Engine.
  • Enabled TypeApplications so getComponent @OSConv.ToolCallState is valid.

Verification

  • Library builds with -Wall -Werror.
  • Executable agents-exe builds with -Wall -Werror.
  • Executable durable-workflow-demo builds with -Wall -Werror.
  • Test suite agents-tests passes, including all durable-workflow tests.