diff --git a/plugins/fusion-plugin-cli-printing-press/vitest.config.ts b/plugins/fusion-plugin-cli-printing-press/vitest.config.ts
index 64c7e31025..0712c1116e 100644
--- a/plugins/fusion-plugin-cli-printing-press/vitest.config.ts
+++ b/plugins/fusion-plugin-cli-printing-press/vitest.config.ts
@@ -41,5 +41,15 @@ export default defineConfig({
     pool: "threads",
     maxWorkers,
     minWorkers: 1,
+    /*
+    FNXC:PluginPgTestTimeout 2026-07-23-22:15:
+    The shared PG test harness (packages/core/src/__test-utils__/pg-test-harness.ts) pays its
+    golden-schema-template cold start inside the FIRST pg test of a vitest invocation, which is
+    budgeted for the 15s testTimeout its home package (@fusion/core) configures. Plugin packages
+    ran at vitest's 5s default, so the whatsapp-chat persistence.pg.test.ts timed out on loaded
+    CI runners (full-suite shard 4, 2026-07-24). Align every pg-harness-consuming plugin with
+    core's budget.
+    */
+    testTimeout: 15_000,
   },
 });
diff --git a/plugins/fusion-plugin-compound-engineering/vitest.config.ts b/plugins/fusion-plugin-compound-engineering/vitest.config.ts
index ac39cc7f7a..33cf21b46e 100644
--- a/plugins/fusion-plugin-compound-engineering/vitest.config.ts
+++ b/plugins/fusion-plugin-compound-engineering/vitest.config.ts
@@ -66,6 +66,16 @@ export default defineConfig({
     pool: "threads",
     maxWorkers,
     minWorkers: 1,
+    /*
+    FNXC:PluginPgTestTimeout 2026-07-23-22:15:
+    The shared PG test harness (packages/core/src/__test-utils__/pg-test-harness.ts) pays its
+    golden-schema-template cold start inside the FIRST pg test of a vitest invocation, which is
+    budgeted for the 15s testTimeout its home package (@fusion/core) configures. Plugin packages
+    ran at vitest's 5s default, so the whatsapp-chat persistence.pg.test.ts timed out on loaded
+    CI runners (full-suite shard 4, 2026-07-24). Align every pg-harness-consuming plugin with
+    core's budget.
+    */
+    testTimeout: 15_000,
     projects: [
       {
         extends: true,
diff --git a/plugins/fusion-plugin-even-realities-glasses/vitest.config.ts b/plugins/fusion-plugin-even-realities-glasses/vitest.config.ts
index 0ce6bd3a96..018c32c2d4 100644
--- a/plugins/fusion-plugin-even-realities-glasses/vitest.config.ts
+++ b/plugins/fusion-plugin-even-realities-glasses/vitest.config.ts
@@ -19,5 +19,15 @@ export default defineConfig({
     pool: "threads",
     maxWorkers,
     minWorkers: 1,
+    /*
+    FNXC:PluginPgTestTimeout 2026-07-23-22:15:
+    The shared PG test harness (packages/core/src/__test-utils__/pg-test-harness.ts) pays its
+    golden-schema-template cold start inside the FIRST pg test of a vitest invocation, which is
+    budgeted for the 15s testTimeout its home package (@fusion/core) configures. Plugin packages
+    ran at vitest's 5s default, so the whatsapp-chat persistence.pg.test.ts timed out on loaded
+    CI runners (full-suite shard 4, 2026-07-24). Align every pg-harness-consuming plugin with
+    core's budget.
+    */
+    testTimeout: 15_000,
   },
 });
diff --git a/plugins/fusion-plugin-reports/vitest.config.ts b/plugins/fusion-plugin-reports/vitest.config.ts
index 959c2c7198..8d252eafec 100644
--- a/plugins/fusion-plugin-reports/vitest.config.ts
+++ b/plugins/fusion-plugin-reports/vitest.config.ts
@@ -39,6 +39,16 @@ export default defineConfig({
     pool: "threads",
     maxWorkers,
     minWorkers: 1,
+    /*
+    FNXC:PluginPgTestTimeout 2026-07-23-22:15:
+    The shared PG test harness (packages/core/src/__test-utils__/pg-test-harness.ts) pays its
+    golden-schema-template cold start inside the FIRST pg test of a vitest invocation, which is
+    budgeted for the 15s testTimeout its home package (@fusion/core) configures. Plugin packages
+    ran at vitest's 5s default, so the whatsapp-chat persistence.pg.test.ts timed out on loaded
+    CI runners (full-suite shard 4, 2026-07-24). Align every pg-harness-consuming plugin with
+    core's budget.
+    */
+    testTimeout: 15_000,
     projects: [
       {
         extends: true,
diff --git a/plugins/fusion-plugin-roadmap/vitest.config.ts b/plugins/fusion-plugin-roadmap/vitest.config.ts
index d31d84b32e..b7982e41d6 100644
--- a/plugins/fusion-plugin-roadmap/vitest.config.ts
+++ b/plugins/fusion-plugin-roadmap/vitest.config.ts
@@ -28,6 +28,16 @@ export default defineConfig({
     pool: "threads",
     maxWorkers,
     minWorkers: 1,
+    /*
+    FNXC:PluginPgTestTimeout 2026-07-23-22:15:
+    The shared PG test harness (packages/core/src/__test-utils__/pg-test-harness.ts) pays its
+    golden-schema-template cold start inside the FIRST pg test of a vitest invocation, which is
+    budgeted for the 15s testTimeout its home package (@fusion/core) configures. Plugin packages
+    ran at vitest's 5s default, so the whatsapp-chat persistence.pg.test.ts timed out on loaded
+    CI runners (full-suite shard 4, 2026-07-24). Align every pg-harness-consuming plugin with
+    core's budget.
+    */
+    testTimeout: 15_000,
     projects: [
       {
         extends: true,
diff --git a/plugins/fusion-plugin-whatsapp-chat/vitest.config.ts b/plugins/fusion-plugin-whatsapp-chat/vitest.config.ts
index 0ce6bd3a96..5d8d57466d 100644
--- a/plugins/fusion-plugin-whatsapp-chat/vitest.config.ts
+++ b/plugins/fusion-plugin-whatsapp-chat/vitest.config.ts
@@ -19,5 +19,14 @@ export default defineConfig({
     pool: "threads",
     maxWorkers,
     minWorkers: 1,
+    /*
+    FNXC:PluginPgTestTimeout 2026-07-23-22:15:
+    The shared PG test harness (packages/core/src/__test-utils__/pg-test-harness.ts) pays its
+    golden-schema-template cold start inside the FIRST pg test of a vitest invocation, which is
+    budgeted for the 15s testTimeout its home package (@fusion/core) configures. Plugin packages
+    ran at vitest's 5s default, so persistence.pg.test.ts timed out on loaded CI runners
+    (full-suite shard 4, 2026-07-24). Align every pg-harness-consuming plugin with core's budget.
+    */
+    testTimeout: 15_000,
   },
 });