fix(db): preserve deferred demand and prepare SSR snapshots

.agents/skills/oracle-authoring/SKILL.md

@@ -19,21 +19,35 @@ first. Auditors check the order of your work and penalize shortcuts.
 Work in this order when a production change is part of the task:
 
 1. State the law and its authority.
-2. Extend the history grammar, driver, or observation until generated
+2. Inventory the materially affected public receiving paths and their promised
+   observation cuts. Include required real-host receiving witnesses in this
+   pre-edit gate; a controlled core witness does not supply their evidence.
+3. Extend the history grammar, driver, or observation until generated
    histories reach the state where the law matters. Declare that state with
-   `createOracleReach` (ORC-015).
-3. Run the extended oracle on the unchanged production code and record the RED
-   failure.
-4. Change production, with the oracle running after each attempt.
-5. Record the GREEN result and a hostile mutant that fails.
+   `createOracleReach` (ORC-015) for each required receiving path.
+4. Run those comparisons on unchanged production. Record the defect's RED
+   result and the neighboring guarantees' results. A setup failure or missing
+   required witness blocks production edits; repair the test path first.
+5. Change production, with the oracle running after each attempt.
+6. Record the GREEN result and a hostile mutant that fails.
 
-Do not change production before step 3. If a model rule disagrees with
+Do not change production before step 4. Retrospective runs or a documented
+process gap do not satisfy this gate. If a model rule disagrees with
 production, find its authority before you edit either one. A rule that you
 change only so that it matches production output is model hacking.
 
-Read [the oracle guide](../../../docs/contributing/oracle-rubric.md),
-[the glossary](../../../docs/contributing/glossary.md), and the relevant owner
-and limits in [the coverage map](../../../docs/contributing/oracle-coverage.md).
+Read [the oracle guide](../../../docs/contributing/oracle-rubric.md) and
+[the glossary](../../../docs/contributing/glossary.md) in full, then read the
+relevant owner and limits in
+[the coverage map](../../../docs/contributing/oracle-coverage.md).
+
+After a handoff or compaction, reopen required sources whose relevant contents
+are absent from the current context. A prior agent's statement that it read
+them does not supply their definitions. Apply the glossary's model alignment
+rule before naming or renaming a state, action, boundary, or observation. Use
+canonical terms and declare abstractions that combine or split production
+concepts. Delegated agents must do the reading relevant to their own scope.
+
 Follow the subsystem reading requirements in AGENTS.md.
 
 Use the [instrument library](../../../docs/contributing/instruments/index.md)

.agents/skills/oracle-review/SKILL.md

@@ -9,9 +9,18 @@ Ask both whether the oracle enforces its stated law and whether that is the
 right law to promise. A passing test can coexist with a wrong theory; a failing
 test can coexist with correct production.
 
-Read [the oracle guide](../../../docs/contributing/oracle-rubric.md),
-[the glossary](../../../docs/contributing/glossary.md), and the relevant owner
-and limits in [the coverage map](../../../docs/contributing/oracle-coverage.md).
+Read [the oracle guide](../../../docs/contributing/oracle-rubric.md) and
+[the glossary](../../../docs/contributing/glossary.md) in full, then read the
+relevant owner and limits in
+[the coverage map](../../../docs/contributing/oracle-coverage.md).
+
+After a handoff or compaction, reopen required sources whose relevant contents
+are absent from the current context. A prior agent's statement that it read
+them does not supply their definitions. Apply the glossary's model alignment
+rule before naming or renaming a state, action, boundary, or observation. Use
+canonical terms and declare abstractions that combine or split production
+concepts. Delegated agents must do the reading relevant to their own scope.
+
 Follow the subsystem reading requirements in AGENTS.md. Guide conformance is
 judged by its ORC requirements, not by use of these instruments or headings.
 
@@ -59,6 +68,10 @@ Report each one as a finding:
 
 - A production change without a RED result from the extended oracle on the
   parent commit.
+- Required public receiving paths tested only after the production repair,
+  or aggregate reach that hides an unexercised receiving path. Check the
+  pre-edit inventory, actual comparison results, and their order. Retrospective
+  evidence or documentation of a gap does not satisfy the pre-edit gate.
 - A model rule that changed to match production output without an authority.
 - A claim about a state that no declared reach shows generated histories enter.
 - A skipped, narrowed, or relaxed comparison without a coverage-map entry and a

.changeset/resume-independent-subscription-demand.md

@@ -0,0 +1,24 @@
+---
+'@tanstack/db': patch
+'@tanstack/react-db': patch
+'@tanstack/svelte-db': patch
+'@tanstack/react-router-with-db': patch
+---
+
+Resume Collection sync when a new subscriber follows a suspended render, while preserving cleanup during startup.
+
+Reject ordinary subscriptions and deferred acquisition resumption during active cleanup. Effects created during that interval still return disposed handles.
+
+Release partial observer and pooled-query subscriptions when setup fails or cleanup interrupts startup. Resumed subscriptions release abandoned render deferrals without restoring retired ownership. Admission checks retain an existing cleanup promise until a replacement sync run starts.
+
+Subscribers that survive cleanup during admission retain demand for an explicit restart. Cleanup in a first-demand callback does not start a replacement implicitly.
+
+Keep ordinary hook errors readable when deferred sync startup records an error. Explicit preloads still report source startup failures. Release channels acquired before synchronous cleanup registration or observer attachment fails.
+
+Reject SSR reads of incidental server-only rows or readiness with an actionable preparation error. Preserve cold loading and normalized source hydration, consume prepared infinite-query snapshots, and register warm Suspense results for streaming.
+
+Capture prepared SSR query rows and readiness at render time. Keep loading captures separate from completed preloads, preserve pending streams, and allow browser writes before hydration. Support prepared non-streaming Suspense, require portable opaque query identity, and include limit and offset in explicit-key result identity.
+
+Keep an ordinary reader's initial loading view when a Suspense sibling completes the same streaming query. Forward replacement query records through the Router stream without discarding the earlier hydration view.
+
+Preserve server snapshots for later-hydrating boundaries after a sibling commits. Wait for missing streamed results instead of rendering local rows during hydration.

docs/contributing/glossary.md

@@ -206,6 +206,8 @@ Use nouns for state and verbs for transitions:
 - A sync transaction **applies** when its writes and events become visible.
 - A replay or repair **publishes** one coherent public snapshot.
 - Cleanup start **invalidates** a sync run and **closes** restart admission.
+  Ordinary subscription admission and deferred acquisition resumption **throw**
+  during active cleanup without changing subscriber ownership.
   Cleanup **settles** after adapter cleanup settles and the Collection publishes
   `cleaned-up`. Restart then **starts** a new sync run.
 - Truncate replay **replaces** source state inside the current sync run and