Remove final AppDatabase pass-through methods with ESLint guard (C1 part 3/3)

Migrate all remaining pass-through call sites (social, skills, budget,
entityCrud, documents, knowledge, automation, wakeup, backup, threads,
settings, snapshot, connectors, workspaces, activity) to their owning
domain modules. `AppDatabase` now carries only three methods:

  - createHireRequest (multi-module composite: agents + approvalsMod)
  - rollbackConfigRevision (multi-module composite: documents + entityCrud)
  - queryAll (raw-SQL escape hatch, @internal)

The vault/env-binding infrastructure previously passed argument-by-
argument into `entityCrud.saveSecret`/`resolveSecretEnv` now binds at
module construction, letting callers invoke `db.entityCrud.saveSecret({...})`
without carrying vault plumbing.

Structural types that narrowed AppDatabase to a bag of flat methods
(`ConnectorModelPolicyDeps` callers, `CapabilityMatchDb`, test mocks in
budget-enforcement / budget-incidents / task-quality-gates /
failure-escalation / task-quality-gates-sweep) are reshaped to the new
namespace. `connectorPolicyDepsFromDb` replaces the old pattern of
handing the whole AppDatabase to `validateConnectorModelSelection`.

A new ESLint rule in eslint.config.mjs blocks new top-level methods on
AppDatabase so the pass-through layer cannot silently grow back.
`AppDatabase.ts` dropped from 193 lines to 58; `AppDatabaseBase` lost
the 270-line trailing pass-through block.

src/main/worker-service.ts

@@ -180,7 +180,7 @@ export function createWorkerService({
 
     // Mark all running/queued runs as interrupted so DB state is clean on restart
     try {
-      const snapshot = db.listSnapshot();
+      const snapshot = db.snap.listSnapshot();
       for (const run of snapshot.runs) {
         if (run.status === "running" || run.status === "queued") {
           db.runs.finishRun({
@@ -194,7 +194,7 @@ export function createWorkerService({
             unattributedCost: true,
           });
           if (run.workspaceId) {
-            db.releaseWorkspaceLock(run.workspaceId, run.id);
+            db.workspacesMod.releaseWorkspaceLock(run.workspaceId, run.id);
           }
           if (run.taskId) {
             db.tasks.releaseTaskLock(run.taskId, run.id);