modules: cache release artifacts, preload memory at boot, bound the loading wait - #6006
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Every launch downloaded every native module again. `installed_artifact` looked for an extraction under `install_dir` that nothing ever wrote, because tinybus extracted each release into a temporary directory and kept it alive for the process, so the branch was dead and the download path ran on every boot — five archives on the desktop, one at a time behind a single process-wide lock. On a network where one of the CDN's anycast addresses dropped packets, each download waited the OS SYN timeout before the client tried the next address: the memory module landed four minutes after boot, and every memory RPC ran into the UI's 30 s deadline while the chat turn's context assembly waited behind it (the 2026-09-03 "memory not working, chat takes seven minutes" incident). Load releases through tinybus's new `load_github_release_cached` into `install_dir/<id>/<version>/<host_key>/`. The first launch downloads, verifies against the registry pin and commits with one rename; every later launch re-hashes the archive on disk and maps the library without the network. Versions no longer pinned are pruned after a successful load. Replace the global resolve gate with a slot per module (`modules::resolution`): the first caller runs the load as a process-lifetime task on the module runtime, everyone else waits on a watch channel, and a caller that gives up cancels nothing. `ensure_loaded_within` bounds the wait, `modules.list` reports `Loading`, and `ModuleMemoryProvider` answers reads with the retryable `MemoryError::Unavailable` after an 8 s grace instead of hanging — writes still wait it out, since a dropped write is lost work — and reports `Degraded`, never `Down`, while loading, so a cold launch cannot trip the fallback rebind. Wire the eager load policy at boot: `load_declared_modules` had no product caller since it landed, so TinyMemory's download started on the first memory call, on the request path. `start_bootstrap_jobs` now spawns it behind `ServiceSet::memory_queue`, installing the memory host callbacks first. Bound the one memory await left on the chat turn's critical path — the situational preference recall — to three seconds. Pin vendor/tinybus to tinyhumansai/tinybus#17 (8b6793a), which carries the cache, the client budgets and the direct asset URLs.
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Included review availability: Your plan provides up to 10 included reviews per hour; 9 remain after this review. 📝 WalkthroughWalkthroughNative module loading now uses persistent release caches and per-module resolution tasks. Boot can preload declared modules. Memory reads and preference recall use bounded waits, while loading states map to unavailable or degraded responses. ChangesNative module loading
Estimated code review effort: 4 (Complex) | ~45 minutes Merge Risk: ⚪ Minimal · up to Memory operation-label coverage now automatically includes newly added non-test memory-part files, reducing the chance that repartitioning silently omits coverage. The change is ready to merge. Sequence Diagram(s)sequenceDiagram
participant Bootstrap
participant ServiceSet
participant ModuleBoot
participant ModuleRuntime
participant ReleaseCache
Bootstrap->>ServiceSet: read memory_queue
ServiceSet-->>Bootstrap: enable module_preload
Bootstrap->>ModuleBoot: load_declared_modules
ModuleBoot->>ModuleRuntime: install memory callbacks
ModuleBoot->>ReleaseCache: resolve declared modules
ReleaseCache-->>ModuleBoot: cached or downloaded module
Suggested reviewers: Poem
🚥 Pre-merge checks | ✅ 4 | ❌ 1❌ Failed checks (1 warning)
✅ Passed checks (4 passed)
Full details: Linked Issues checkExplanation The changes address issue Full details: Out of Scope Changes checkExplanation The changes remain within issue Warning Your free Security trial is over. An organization admin can upgrade to Advanced for continuous pull request security review or dismiss this notice. Comment |
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Requesting changes: 1 lane(s) blocking, worst finding is high.
Fix or reply to the findings below and push. The next review clears this automatically once they are gone — you should not need to dismiss anything by hand.
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| /// never be loaded again, so keeping it only costs disk. Staging directories | ||
| /// are left alone — a concurrent process may be filling one — and every | ||
| /// removal is logged, because a cache that empties itself is worth noticing. | ||
| fn prune_stale_versions(install_root: &Path, record: &ModuleRecord) { |
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Prevent prune_stale_versions from deleting outside the module directory
prune_stale_versions uses record.id unsanitised to compute module_root. If record.id contains .. or /, the function could delete directories outside the intended cache tree after a successful load. The guard checking name == record.version compares the raw file name against the also-unsanitised record.version, so both inputs are equally trustworthy — that does not prevent traversal. Even though record.id comes from in-tree registry data, a future update to the registry or a malicious module override could place traversal characters here, causing arbitrary directory deletion on the next launch.
[RULE] path-traversal ·
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Fixed. is_safe_path_component now gates every component before a path is built from it, and prune_stale_versions refuses to run at all when the id or version cannot name a directory — the check has to hold on the side that calls remove_dir_all, not be inferred from where the data came from.
You're right that comparing two equally-unsanitised values was not a guard. Both sides are validated now, and the per-entry skip uses the same predicate rather than relying on read_dir never yielding ./.. being remembered.
Covered by a_component_that_cannot_name_a_directory_yields_no_cache_path, which also walks every shipped registry entry and asserts its id, version and each asset's host key can name a directory — so a future registry edit that introduces one fails here rather than on a user's disk.
Pushed in 42f1244ec.
| } | ||
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| /// Where one artifact of one module version is cached. | ||
| fn artifact_dir(install_root: &Path, record: &ModuleRecord, host_key: &str) -> PathBuf { |
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Sanitize module metadata before using it as a filesystem path
artifact_dir joins record.id, record.version, and host_key (derived from asset.host_key) directly onto the cache root without any validation or sanitization. If a module registry entry or release asset metadata contains .., /, or nul bytes, this allows directory traversal out of the intended cache directory. record.id and record.version come from the ModuleRecord in registry, which is committed in-tree but could be updated; host_key comes from platform::host_candidates() and is currently controlled by this crate, so the immediate vector is narrow. However, the function is exposed as a module-internal helper and the pattern invites future misuse. Consider rejecting identifiers that contain path separators, nul bytes, or components starting with . or ...
[RULE] path-traversal ·
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Fixed alongside the prune_stale_versions finding, in one place so the two cannot diverge: artifact_dir now returns Option<PathBuf> and yields None when the id, version or host key contains a separator, a nul byte, ./.., or a leading dot (which would also collide with the .staging-* directories a concurrent download is filling).
It rejects rather than sanitises deliberately — a registry entry that cannot name a directory is a build-time mistake, and rewriting it quietly would hide that behind a cache which silently never hits. The caller treats None as an admission failure for that artifact and moves to the next candidate.
Pushed in 42f1244ec.
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How this change flows0 changed behaviours across 10 relationships. 6 surrounding behaviours are shown (60 graph nodes walked). 39 further behaviours left out to keep the diagram readable. flowchart LR
n0["failure"]:::impacted
n1["...s_a_backend_failure_the_caller_cannot_fix"]:::impacted
n2["...ound_survives_the_round_trip_as_not_found"]:::impacted
n3["...scape_does_not_arrive_as_a_caller_mistake"]:::impacted
n4["..._reported_as_something_the_caller_can_fix"]:::impacted
n5["...e_is_a_backend_failure_not_an_input_error"]:::impacted
n1 -->|calls| n0
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classDef changed fill:#0d4429,stroke:#238636,color:#e6edf3
classDef impacted fill:#161b22,stroke:#6e7681,color:#c9d1d9
classDef flagged fill:#5a1e02,stroke:#d93f0b,color:#ffffff
classDef blocking fill:#67060c,stroke:#f85149,color:#ffffff
Green: changed behaviour. Grey: surrounding behaviour. Arrows name the call, use, implementation, or test relationship. Orange: has findings. Red: has a finding that blocks the merge. |
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| const UNBOUNDED_OPERATIONS: &[&str] = &[ | ||
| "store", | ||
| "import_records", | ||
| "ingest_coding_sessions", | ||
| "run_source_sync", |
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When first-launch module resolution takes longer than eight seconds, this incomplete allowlist treats omitted mutations—including ingest_chat, accept_source_items, insert_turn, set_goals, kv_put, and several delete/maintenance operations—as bounded reads and returns MemoryError::Unavailable without executing them. For example, insert_turn is called by the archivist post-turn hook (src/openhuman/agent/harness/archivist/hook_impl.rs:37-75), where failure aborts the already-completed hook with no retry, permanently dropping early chat memories. Classify reads positively or include every mutating member so cold startup cannot discard writes.
AGENTS.md reference: AGENTS.md:L1000-L1003
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Correct, and this was the serious one — thank you. The allowlist named 9 labels out of 70; ingest_document, ingest_chat, ingest_email, insert_turn, insert_event, open_segment, set_goals, append, put_*, upsert_facet, the maintenance mutations and more were all being treated as bounded reads. As you note for insert_turn, the archivist post-turn hook has no retry above it, so the call was not delayed but discarded.
Fixed by inverting the classification exactly as you suggested: BOUNDED_READ_OPERATIONS now names the reads positively and loading_grace returns None for everything else, so an unclassified member — including anything a future contract adds — waits for the module. The failure mode is now a slow first call on a cold launch instead of a lost write.
Two tests pin it: writes_wait_for_the_module_and_reads_do_not asserts all 33 mutating labels are unbounded plus an unrecognised label, and no_mutating_operation_label_is_classified_as_a_read scans the four client source files for every proxy(...)/module_call! label and fails if one that reads as a mutation ever lands in the read list.
Pushed in 42f1244ec.
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Inline comments:
In `@src/openhuman/modules/memory_part_01.rs`:
- Around line 347-352: Update loading_grace to classify every MemoryIngest write
label—including ingest_document, ingest_chat, ingest_email, and any typed
ingestion labels—as unbounded in UNBOUNDED_OPERATIONS, then add a regression
test verifying these operations do not receive a timeout and return None.
In `@src/openhuman/modules/memory_tests.rs`:
- Around line 253-269: Update the test around MemoryCore::get and the Degraded
health assertion to store their outcomes instead of asserting immediately;
complete the loading slot and reset the process-wide ResolutionTable entry for
MODULE_ID before asserting the recorded results, ensuring cleanup runs even when
expectations fail.
In `@src/openhuman/modules/ops_tests.rs`:
- Around line 192-197: Update the test containing ops::ensure_loaded_within for
"tinydocs" to acquire the shared module-test lock before resolution, then reset
the process-global "tinydocs" resolution slot after the assertion. Ensure the
lock covers the full setup and assertion sequence so ignored module-backed tests
cannot race or reuse cached state.
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AGENTS.mdsrc/core/runtime/services.rssrc/openhuman/agent/harness/session/turn/core_turn.rssrc/openhuman/modules/boot.rssrc/openhuman/modules/host.rssrc/openhuman/modules/memory_part_01.rssrc/openhuman/modules/memory_tests.rssrc/openhuman/modules/mod.rssrc/openhuman/modules/ops.rssrc/openhuman/modules/ops_tests.rssrc/openhuman/modules/resolution.rssrc/openhuman/modules/resolution_tests.rsvendor/tinybus
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The loading-state work pushed two files past the 750-line limit `check-openhuman-rust-layout.mjs` enforces: `memory_part_01.rs` to 842 and `memory_tests.rs` to 767. Both follow the split conventions already in the tree. `memory_part_04.rs` takes the `MemoryCore` / `MemoryRecall` / `MemoryPortability` / `MemoryIngest` impls and is `include!`d after the other three parts, so it is concatenated into the same module and needs no imports of its own. The `module_call!` and `module_call_slow!` macros stay in `memory_part_01.rs`: a `macro_rules!` is only in scope for text that follows it, and `memory_part_02.rs` and `memory_part_03.rs` are concatenated before part four. `memory_tests_part_01_tests.rs` takes the real-module round-trip test and the scoring accessor test, wired with `#[path] mod part_01_tests;` the way `ops_tests_part_NN_tests.rs` already is in the composio domain. That file is a submodule rather than an `include!`, so it opens with `use super::*;` and the one `super::capabilities_for` call becomes `super::super::capabilities_for` — it sits a level deeper than it did. No behaviour change: same 116 tests pass, and the layout gate is clean.
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In `@src/openhuman/modules/memory_tests_part_01_tests.rs`:
- Line 27: Update the ignored-test selector for
the_runtime_tree_doors_round_trip_through_a_real_module to include the full
module path containing memory_tests_part_01_tests, so the --exact selector
matches the test.
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| cursor: Option<&str>, | ||
| limit: usize, | ||
| ) -> Result<ExportPage, MemoryError> { | ||
| self.proxy("export_page") |
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Convert limit: usize to u64 before passing it over the bus
TinyBus serializes arguments as serde_json::Value. On a 64‑bit target usize is 64 bits and serializes as a JSON number, but on a 32‑bit target it is 32 bits. If the bus contract defines the parameter as u64, an unadorned usize may silently change the wire type when cross‑compiling. Convert with limit as u64 (matching the contract signature) to be explicit and portable.
[RULE] unchecked-argument-serialization ·
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Checked this one and I don't think it holds, so I've left the code as it is.
The premise is that an unadorned usize could change the wire type across targets. That would be true for a width-sensitive binary encoding, but this bus is JSON: Proxy::call hands its arguments to Connection::call_with_timeout → to_body(&args) (serde_json), and the module decodes with serde_json::from_slice (tinybus-module/src/lib.rs:492). JSON has a single number type, so a usize that is 32 bits on one target and 64 on another serializes to the same token and deserializes into the contract's u64 identically. There is no width in the encoding to disagree about, and usize cannot exceed u64 on any supported target.
Worth noting this line is also not new here — it is byte-identical on upstream/main (memory_part_01.rs, export_page); this PR only relocated it into memory_part_04.rs while splitting the file under the 750-line layout gate, which is why it shows up in the diff.
Happy to add the as u64 casts if the intent is a house rule about being explicit at bus boundaries, but I'd rather do that as a consistent pass across all ~70 call sites than at one relocated line.
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Review of tinyhumansai#6006 found the loading-grace classification backwards. It named the *writes* — nine labels — and treated every other operation as a read it could stop waiting for. The client has seventy. `ingest_document`, `ingest_chat`, `ingest_email`, `insert_turn`, `insert_event`, `open_segment`, `set_goals`, `append`, `put_document`, `put_relation`, `put_tool_rule`, `upsert_facet`, `delete_facet`, `forget_source`, `purge_all` and the whole maintenance family were all bounded, so a cold launch answered them `Unavailable` after eight seconds without running them. None of those has a retry above it: `insert_turn` is the archivist's post-turn hook, so the call was not delayed but dropped, and early chat memories went with it. Invert it. `BOUNDED_READ_OPERATIONS` names the thirty-seven reads and `loading_grace` returns `None` for everything else, so a member nobody classified — including one a future contract adds — waits for the module. That costs a slow first call on a cold launch and loses nothing, which is the right way round for a default. Two tests hold it there. One asserts every mutating label is unbounded, plus an invented label to pin the unknown-waits default. The other scans the four client sources for every `proxy(...)` and `module_call!` label and fails if one that reads as a mutation is ever classified as a read, so the guard survives members being added. Also from the review: - `is_safe_path_component` gates the id, version and host key before a cache path is built from them, and `prune_stale_versions` refuses to run when either component cannot name a directory. That function calls `remove_dir_all`; comparing two equally unvalidated values was not a guard. `artifact_dir` returns `Option` and rejects rather than sanitises — a registry entry that cannot name a directory is a build mistake, and rewriting it quietly would hide that behind a cache that never hits. - Both module tests that plant a slot in the process-wide resolution table now observe first and assert last, and reset the slot before asserting. An assertion that fired early used to leave the slot in `Loading` and turn one failure into unrelated failures in whatever ran next. The `tinydocs` test also clears the slot on the way in, so an artifact left by the `--ignored` module tests cannot be answered from cache ahead of its own config. The classification and its tests pushed both files back over the layout gate, so the `MemoryProvider` impl joins the other trait impls in `memory_part_04.rs` and the source-scan test joins `memory_tests_part_01_tests.rs`. The two dispatch macros stay at the end of `memory_part_01.rs`: `include!` is textual, and `memory_part_02.rs` uses them.
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Splitting the file moved the test into `part_01_tests`, so the `--exact` selector in its own doc comment matched nothing. Verified against `cargo test --lib -- --list`.
The inversion renamed UNBOUNDED_OPERATIONS to BOUNDED_READ_OPERATIONS; this comment still pointed a reader at the old name.
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| let mut labels: Vec<String> = Vec::new(); | ||
| for part in 1..=4 { | ||
| let path = format!( |
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Hardcode the source split that the scan depends on
The test no_mutating_operation_label_is_classified_as_a_read scans files memory_part_01.rs through memory_part_04.rs. This filename scheme is assumed by the loop for part in 1..=4 and the format string memory_part_0{part}.rs. If the module source is ever split differently — more or fewer parts, a two-digit part number, a different naming convention — the scan will silently miss files or fail to read them (panicking with unwrap_or_else). The test should either derive the list from the filesystem (std::fs::read_dir) or be explicit about which files it scans so that a rename or repartition causes a compile-time or runtime failure rather than silently reduced coverage.
(This is a single-reviewer concern about coupling between the test and the source layout; it is not a blocker for merge given how stable the per-domain split has historically been.)
[RULE] brittle-file-path ·
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Fair point, and it's the failure mode a drift guard should least have — a scan that silently reads fewer files still passes while checking less than its name claims.
Changed it to discover the parts instead of naming them: read the modules directory, take every memory_part_*.rs that isn't a test file, sort, and assert at least four turned up. A repartition that loses a file now fails loudly rather than narrowing the scan, and adding memory_part_05.rs is picked up with no edit here.
I went with a floor assertion rather than an exact count so a future split that adds a part doesn't fail for the wrong reason.
Pushed in 172d87ee3.
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The label scan hard-coded `memory_part_01..04`. Split the client differently tomorrow and it keeps passing while reading fewer sources, finding fewer labels, and checking less than its name claims — the failure mode a guard against silent drift should not itself have. Read the module directory instead, take every `memory_part_*.rs` that is not a test file, and assert at least four turned up so a repartition that loses one fails loudly rather than narrowing the scan.
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tinybus#17 merged as d5ce18d. This branch had been pinning 8b6793a, a commit that existed only on that pull request's branch, so the gitlink pointed at history no one else could resolve from tinybus main. Both commits the pull request carried are ancestors of the merge, so the cache and the bounded network waits the loader depends on are unchanged; this only moves the pin onto the canonical merged commit.
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Requesting changes: 1 lane(s) blocking, worst finding is high.
Fix or reply to the findings below and push. The next review clears this automatically once they are gone — you should not need to dismiss anything by hand.
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| "Scoring is advertised, so the accessor must be wired" | ||
| ); | ||
| } | ||
| #[path = "memory_tests_part_01_tests.rs"] |
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Restore wire-name verification for runtime-tree doors before deletion
The deleted test the_runtime_tree_doors_round_trip_through_a_real_module was the only coverage proving that the module_call! wire names for the tree family match what the module speaks on the bus. The surviving tests discriminate Other from Unsupported against a disabled host, which the deleted test's own doc comment explains cannot catch a mistyped wire name. Without this test (or a similarly scoped replacement), a typo in a runtime-tree door's dispatch string silently degrades to an Other error at runtime. Defer deletion until the same property — "each tree-family dispatch string round-trips to the real module and returns a non-Other result" — is asserted elsewhere.
[RULE] deleted-coverage ·
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False positive — the test was moved, not deleted.
the_runtime_tree_doors_round_trip_through_a_real_module is alive at src/openhuman/modules/memory_tests_part_01_tests.rs:33, with the same name and the same doc comment it carried at memory_tests.rs:606 on main. Nothing about its coverage changed: it still round-trips every tree-family dispatch string against a real module and asserts a non-Other result.
The move was forced. memory_tests.rs crossed the 750-line ceiling that check-openhuman-rust-layout.mjs enforces, so the file had to split, and this test went into the new part. The deleted-coverage rule appears to key on the file, so a cross-file move reads as a deletion.
No change made.
| ); | ||
| continue; | ||
| } | ||
| // TinyMemory resolves its embedding provider while the library is |
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Skip callback install without falling back to lazy load for other threads
When install_host_callbacks fails, the loop issues continue and this module is never loaded from this thread. However, the callbacks are installed once globally and cached (by install_host_callbacks). A subsequent lazy-load path (e.g., another spawn or a hot-path request) will also call install_host_callbacks — but because it is idempotent and returns the cached failure, the lazy path too would skip. There is no retry or fallback. If the callbacks are genuinely unavailable at boot they will remain unavailable, and every memory write from any path fails from then on. Either document that this is intentional (and that the module cannot function without callbacks so skipping is correct), or add a mechanism to retry on transient failure.
[RULE] state-split ·
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False positive — the premise is that the failure is cached, and it is not.
install_host_callbacks holds no state of its own; it delegates to memory_host::install, which is:
static INSTALLED: tokio::sync::OnceCell<()> = tokio::sync::OnceCell::const_new();
INSTALLED.get_or_try_init(|| serve_interfaces(connection, config)).await.map(|_| ())tokio::sync::OnceCell::get_or_try_init stores only on Ok. When the initialiser returns Err the cell is left uninitialised, so the next caller re-runs serve_interfaces rather than being handed a cached failure. That is the difference from get_or_init, and it is why this seam uses the try variant.
So the sequence described here does not occur: if the eager path at boot skips because callbacks were unavailable, a later lazy load calls install_host_callbacks again and genuinely retries. A transient failure heals on the next attempt with no extra mechanism.
The continue is still correct on its own terms — the module cannot serve memory without an embedder, so loading it anyway would bind the inert zero-dimension provider and write vectors nothing can search, which is the failure the comment above that block describes.
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| /// the module, which costs a slow first call on a cold launch and loses | ||
| /// nothing. Add a read here only when it genuinely cannot mutate — when in | ||
| /// doubt, leave it out and it waits. | ||
| const BOUNDED_READ_OPERATIONS: &[&str] = &[ |
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On a cold launch where module resolution exceeds eight seconds, omitted read-only operations such as entities, kv_get, kv_list, relations, diff, recall_namespace_scored, and latest_queue_failure fall through loading_grace() to None. Those Graph, retrieval, and diagnostics calls therefore continue waiting for the entire download and can hit the UI's 30-second RPC deadline instead of returning the intended retryable Unavailable; enumerate every existing read call site while retaining the safe unbounded default for unknown future members.
AGENTS.md reference: AGENTS.md:L995-L1003
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Valid, and it understated the size of the gap. Fixed in 8191ed6.
I checked all 141 dispatch labels the client sends. Only 37 were in BOUNDED_READ_OPERATIONS; the other 104 waited unbounded, and 41 of those are genuine reads — the seven named here plus summary_forest, retrieve_children, root_summaries_with_caps, recall_documents, source_totals, source_sync_state, runtime_tree_status and the rest. Those are the tree, graph and sources panels, which is to say the exact screens whose blank cold-launch state this PR exists to fix. They would have kept hanging for the length of a module download.
The list is now 78 reads against 63 writes, covering all 141. capture_snapshot deliberately stays unbounded: it reads like a getter but persists a snapshot.
On why the existing guard test did not catch this — two reasons, both fixed in the same commit:
- Its call-site pattern required the operation literal on the same line as the macro. Most call sites wrap, so it scanned 70 of the 141 labels and passed on the half it could see. It now matches across line breaks and yields exactly 141.
- It only asserted one direction, that no write is classified as a read. That is the direction that loses data, so it was the right first check, but it is also why an incomplete read list sailed through. The assertion is now a partition: every dispatched label must appear in
BOUNDED_READ_OPERATIONSorUNBOUNDED_WRITE_OPERATIONS, never both, and no listed write may lack a call site. A new member fails the build until someone classifies it.
cargo test --lib modules::: 112 passed, 0 failed. fmt and clippy clean.
Inverting this list to name the reads made it safe from lost writes, but not complete. It named 37 of the 141 operations the client dispatches, so the other 104 waited unbounded — and 41 of those are genuine reads. Among them: summary_forest, retrieve_children, root_summaries_with_caps, entities, relations, source_totals and source_sync_state. Those are the tree, graph and sources panels, which is to say the screens whose blank cold-launch state this change exists to fix. They would still have hung for the length of a module download. The guard test could not have caught it. Its call-site pattern required the operation literal on the same line as the macro, but most call sites wrap, so it scanned 70 of the 141 labels and passed on the half it could see. It now matches across line breaks and finds all 141. It also only ever asserted one direction — that no write is classified as a read — which is the direction that loses data and the reason an incomplete read list sailed through. The assertion is now a partition: every dispatched label must appear in BOUNDED_READ_OPERATIONS or in UNBOUNDED_WRITE_OPERATIONS, never both, and no listed write may lack a call site. A new member fails the build until someone classifies it. capture_snapshot stays unbounded: it persists a snapshot despite reading like a getter. source_ingest_status joins store_stats as a read whose name carries a mutation marker, replacing a one-off equality check with a named list so the marker heuristic can stay blunt.
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tinysweeper found nothing blocking. Approving.
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The merge reported no conflicts and was still wrong. tinyhumansai#6006 hit the same 750-line layout gate this branch did and split the memory module client its own way, adding `memory_part_04.rs`; git merged both rebalancings cleanly because each had moved items into a *different* file, leaving `impl MemoryIngest for ModuleMemoryProvider` defined twice — byte-identical copies in part_02 and part_04. Kept upstream's placement and dropped this branch's: main is the shared base, and its split already solves the layout pressure the local move was working around. The merge also advanced the `vendor/tinybus` gitlink to the merged loader fix without checking the submodule out, so the build failed on `tinybus::module::CachedRelease`. Synced; `vendor/tinymemory` stays at v1.14.1. Refs tinyhumansai#6012
The merge with main brought tinyhumansai#6006's loading-grace classification, whose test requires every dispatch label to be named in exactly one of `BOUNDED_READ_OPERATIONS` or `UNBOUNDED_WRITE_OPERATIONS`. The new `backfill_connector_trees` label was in neither, so `every_operation_label_is_classified_and_no_mutation_is_a_read` failed. Classified as a write. That is what the runtime already did — the read list is what may give up with "memory is loading", and anything unlisted waits, which is the safe default for a mutation whose work would otherwise be discarded. The list is exhaustive by test, though, so the default is not enough: a member nobody classified is a failure rather than a silent fallthrough. That is deliberate on tinyhumansai#6006's part and worth keeping. Refs tinyhumansai#6012
…tinyhumansai#6006 found the loading-grace classification backwards. It named\nthe *writes* — nine labels — and treated every other operation as a read it\ncould stop waiting for. The client has seventy. `ingest_document`,\n`ingest_chat`, `ingest_email`, `insert_turn`, `insert_event`, `open_segment`,\n`set_goals`, `append`, `put_document`, `put_relation`, `put_tool_rule`,\n`upsert_facet`, `delete_facet`, `forget_source`, `purge_all` and the whole\nmaintenance family were all bounded, so a cold launch answered them\n`Unavailable` after eight seconds without running them. None of those has a\nretry above it: `insert_turn` is the archivist's post-turn hook, so the call\nwas not delayed but dropped, and early chat memories went with it.\n\nInvert it. `BOUNDED_READ_OPERATIONS` names the thirty-seven reads and\n`loading_grace` returns `None` for everything else, so a member nobody\nclassified — including one a future contract adds — waits for the module.\nThat costs a slow first call on a cold launch and loses nothing, which is the\nright way round for a default.\n\nTwo tests hold it there. One asserts every mutating label is unbounded, plus\nan invented label to pin the unknown-waits default. The other scans the four\nclient sources for every `proxy(...)` and `module_call!` label and fails if\none that reads as a mutation is ever classified as a read, so the guard\nsurvives members being added.\n\nAlso from the review:\n\n- `is_safe_path_component` gates the id, version and host key before a cache\n path is built from them, and `prune_stale_versions` refuses to run when\n either component cannot name a directory. That function calls\n `remove_dir_all`; comparing two equally unvalidated values was not a guard.\n `artifact_dir` returns `Option` and rejects rather than sanitises — a\n registry entry that cannot name a directory is a build mistake, and\n rewriting it quietly would hide that behind a cache that never hits.\n- Both module tests that plant a slot in the process-wide resolution table now\n observe first and assert last, and reset the slot before asserting. An\n assertion that fired early used to leave the slot in `Loading` and turn one\n failure into unrelated failures in whatever ran next. The `tinydocs` test\n also clears the slot on the way in, so an artifact left by the `--ignored`\n module tests cannot be answered from cache ahead of its own config.\n\nThe classification and its tests pushed both files back over the layout gate,\nso the `MemoryProvider` impl joins the other trait impls in\n`memory_part_04.rs` and the source-scan test joins\n`memory_tests_part_01_tests.rs`. The two dispatch macros stay at the end of\n`memory_part_01.rs`: `include!` is textual, and `memory_part_02.rs` uses them.\n
…download-stall\n\nmodules: cache release artifacts, preload memory at boot, bound the loading wait\n
…erge reported no conflicts and was still wrong. tinyhumansai#6006 hit the same\n750-line layout gate this branch did and split the memory module client its own\nway, adding `memory_part_04.rs`; git merged both rebalancings cleanly because\neach had moved items into a *different* file, leaving\n`impl MemoryIngest for ModuleMemoryProvider` defined twice — byte-identical\ncopies in part_02 and part_04.\n\nKept upstream's placement and dropped this branch's: main is the shared base,\nand its split already solves the layout pressure the local move was working\naround.\n\nThe merge also advanced the `vendor/tinybus` gitlink to the merged loader fix\nwithout checking the submodule out, so the build failed on\n`tinybus::module::CachedRelease`. Synced; `vendor/tinymemory` stays at v1.14.1.\n\nRefs tinyhumansai#6012\n
…The merge with main brought tinyhumansai#6006's loading-grace classification, whose test\nrequires every dispatch label to be named in exactly one of\n`BOUNDED_READ_OPERATIONS` or `UNBOUNDED_WRITE_OPERATIONS`. The new\n`backfill_connector_trees` label was in neither, so\n`every_operation_label_is_classified_and_no_mutation_is_a_read` failed.\n\nClassified as a write. That is what the runtime already did — the read list is\nwhat may give up with "memory is loading", and anything unlisted waits, which\nis the safe default for a mutation whose work would otherwise be discarded.\nThe list is exhaustive by test, though, so the default is not enough: a member\nnobody classified is a failure rather than a silent fallthrough. That is\ndeliberate on tinyhumansai#6006's part and worth keeping.\n\nRefs tinyhumansai#6012\n
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Summary
install_dir/<id>/<version>/<host_key>/): the first launch downloads and verifies against the registry pin, every later launch re-hashes the archive on disk and maps the library without the network.LoadPolicy::Eager) resolves at boot, off the request path:start_bootstrap_jobsnow spawnsmodules::boot::load_declared_modulesbehindServiceSet::memory_queue. That function had no product caller since it landed.modules::resolution), and waits are bounded: reads answerMemoryError::Unavailable("memory is still starting") after an 8 s grace instead of hanging into the UI's 30 s deadline; writes wait it out;modules.listreportsloading;health()reportsdegraded, neverdown, while a load is in flight.vendor/tinybusto module: cache verified release artifacts and bound the loader's network waits tinybus#17, which carries the cache, the HTTP budgets and the direct asset URLs.Problem
Every launch re-downloaded every native module — five on the desktop — one at a time behind a single process-wide lock, because tinybus extracted releases into a temporary directory and the host's
installed_artifactbranch looked in a directory nothing ever wrote. The loader'sureqagent had no connect timeout, so on a network where one of the CDN's anycast addresses dropped packets each download waited the OS SYN timeout (75 s on macOS, ~2 min on Linux) before the next address was tried. On 2026-09-03 the memory module landed four minutes after boot; every memory RPC ran intotimed out after 30000msand a chat turn blocked for minutes withsystem prompt builtlogged the second the module arrived. Full RCA and measurements in #6005.Solution
ops::resolveloads the pinned release withload_github_release_cachedinto the cache directory (one per artifact, so two builds of one release never share an extraction); versions no longer pinned are pruned after a successful load.installed_artifactis gone with the branch it was.modules::resolutionreplaces the globalresolve_gate: one slot per module; the first caller runs the load as a process-lifetime task on the module runtime (ModuleRuntime::spawn), everyone else waits on a watch channel, and a caller that gives up cancels nothing.ensure_loaded_withinbounds the wait;state_offeedsmodules.list.ModuleMemoryProvider::proxyinstalls the host callbacks through the sharedinstall_host_callbacks, waits with a per-operation grace (UNBOUNDED_OPERATIONS—store, the syncs,shutdown, … — wait without bound because a dropped write is lost work), and mapsStillLoading→Unavailable.health()answersDegradedwhile loading —Downis what triggers the fallback rebind, and a cold launch must not trip it; configuration stays authoritative, so a disabled host is stillDown.boot.rsinstalls the memory host callbacks before the eager load: a module admitted without them resolves no embedder.services.rs:BootstrapJobPlan.module_preload(=memory_queue),spawn_module_preloadwith acfg(not(feature = "modules"))stub so the kernel profile compiles.core_turn.rs:tokio::time::timeout(3s)aroundrecall_situational_preferences_on; citations and autosave were already spawned.Verified live on this branch: cold launch — all five modules serving 8 s after boot (
downloaded, verified and cached), a memory read that arrived mid-load answered in 5.7 s; warm launch —release loaded from the local cachein the same second as boot, tinymemory serving +2 s, memory RPCs at 3–12 ms, zero errors.Submission Checklist
resolution_tests.rs(first claim runs / later claims wait, outcome reaches every waiter, terminal failure, bounded wait →StillLoadingwithout disturbing the load, abandoned resolver),ops_tests.rs(bounded wait with downloads off fails rather than "loading", per-artifact cache dirs, pruning keeps the pin and staging dirs,LoadErrorrendering),memory_tests.rs(loading →Unavailablewithin the grace andDegradedhealth; writes unbounded / reads bounded),services.rsplan mapping.N/A: behaviour-only change to module loading; no feature row added or renamed.## Related—N/A: no matrix rows touched.docs/RELEASE-MANUAL-SMOKE.md) —N/A: no release-cut surface changed; a smoke run will simply see modules load faster.Closes #NNNin the## RelatedsectionImpact
~/Library/Caches/openhuman/modules,~/.cache/openhuman/modules,%LOCALAPPDATA%\openhuman\modules); ~53 MB for the current pins. Later launches do not touch the network for modules. A cache that fails verification is re-downloaded, never a refusal.Unavailable(UI shows "memory is still starting…") instead of waiting up to the caller's deadline; writes keep waiting.modules.listcan reportloading.api.github.comcall per module per launch (tinybus#17 builds asset URLs from the tag; the API is a 404-only fallback).Shutdownstub (shutdown_host unserved in module mode) and theconfig_loadersnapshot error — both need a module release and a registry re-pin.vendor/tinybushere to the merged SHA before merging this PR (the branch currently pins the PR head, 8b6793a).Related
Shutdown+ config reload), one-time cleanup of the 3.7 GB of pre-fix extractions under$TMPDIR/.tmp*/lib*_module.dylibon affected machines.AI Authored PR Metadata (required for Codex/Linear PRs)
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Commit & Branch
Validation Run
pnpm --filter openhuman-app format:check— N/A: noapp/srcchange;cargo fmt -p openhuman -- --checkcleanpnpm typecheck— N/A: no TypeScript changecargo test --lib -- modules:: core::runtime::services→ 116 passed, 0 failed, 1 ignored (run twice)cargo clippy -p openhuman -- -D warningsandcargo clippy -p openhuman --features "$(bash scripts/ci/product-features.sh)" -- -D warningsclean;cargo check --lib --no-default-features --features flows(kernel profile, modules compiled out) cleancargo clippy --manifest-path app/src-tauri/Cargo.toml -- -D warningscleanValidation Blocked
command:N/Aerror:N/Aimpact:N/ABehavior Changes
Parity Contract
[[modules.overrides]]) and search-path loading unchanged;allow_download = falsestill refuses a cold miss with the same message; writes still wait for the module; attestation records the same archive digest as before.modules.liststates,Degraded-not-Downwhile loading,Downwhen modules are disabled (existing test kept), kernel-profile build withmodulesoff.Duplicate / Superseded PR Handling
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