objectstack-fleet · Oct 26, 2026 · Oct 26, 2026 · Oct 26, 2026 · Oct 26, 2026 · Oct 26, 2026
@@ -277,6 +277,8 @@ jobs:
               - 'package.json'
               - 'pnpm-lock.yaml'
               - 'tsconfig.json'
+              - 'tsconfig.base.json'
+              - 'tsconfig.test.base.json'
               - '.github/workflows/ci.yml'
               # BUILD INPUTS outside every package (#21202): turbo.json itself,
               # its `globalDependencies`, and each `$TURBO_ROOT$/…` input of a

diff --git a/examples/embed-objectql/tsconfig.json b/examples/embed-objectql/tsconfig.json
@@ -1,5 +1,5 @@
 {
-  "extends": "../../tsconfig.json",
+  "extends": "../../tsconfig.base.json",
   "include": ["src/**/*", "test/**/*"],
   "exclude": ["node_modules", "dist"],
   "compilerOptions": {

diff --git a/packages/adapters/hono/tsconfig.json b/packages/adapters/hono/tsconfig.json
@@ -1,10 +1,8 @@
 {
-  "extends": "../../../tsconfig.json",
+  "extends": "../../../tsconfig.base.json",
   "compilerOptions": {
     "outDir": "./dist",
     "rootDir": "./src",
-    "module": "NodeNext",
-    "moduleResolution": "NodeNext",
     "esModuleInterop": true,
     "skipLibCheck": true,
     "lib": [

diff --git a/packages/adapters/hono/tsconfig.test.json b/packages/adapters/hono/tsconfig.test.json
@@ -63,11 +63,8 @@
 // ledger to be added to -- the same call `metadata-fs` and
 // `trigger-record-change` recorded.
 {
-  "extends": "./tsconfig.json",
+  "extends": ["./tsconfig.json", "../../../tsconfig.test.base.json"],
   "compilerOptions": {
-    "noEmit": true,
-    "module": "esnext",
-    "moduleResolution": "bundler",
     "lib": ["ES2022", "DOM", "DOM.Iterable"]
   },
   "include": ["src/**/*"],

diff --git a/packages/apps/account/tsconfig.json b/packages/apps/account/tsconfig.json
@@ -1,5 +1,5 @@
 {
-  "extends": "../../../tsconfig.json",
+  "extends": "../../../tsconfig.base.json",
   "compilerOptions": {
     "outDir": "./dist",
     "rootDir": "./src",

diff --git a/packages/apps/setup/tsconfig.json b/packages/apps/setup/tsconfig.json
@@ -1,5 +1,5 @@
 {
-  "extends": "../../../tsconfig.json",
+  "extends": "../../../tsconfig.base.json",
   "compilerOptions": {
     "outDir": "./dist",
     "rootDir": "./src",

diff --git a/packages/apps/studio/tsconfig.json b/packages/apps/studio/tsconfig.json
@@ -1,5 +1,5 @@
 {
-  "extends": "../../../tsconfig.json",
+  "extends": "../../../tsconfig.base.json",
   "compilerOptions": {
     "outDir": "./dist",
     "rootDir": "./src",

diff --git a/packages/cli/tsconfig.test.json b/packages/cli/tsconfig.test.json
@@ -118,12 +118,9 @@
 // than incidental: any error any one of them ever gains is red on arrival. That
 // is the half of this gate that starts working today.
 {
-  "extends": "./tsconfig.json",
+  "extends": ["./tsconfig.json", "../../tsconfig.test.base.json"],
   "compilerOptions": {
-    "noEmit": true,
     "rootDir": "../..",
-    "module": "esnext",
-    "moduleResolution": "bundler",
     "lib": ["ES2022", "DOM", "DOM.Iterable"],
     "types": ["node"],
     // [#15004, #15229] FIVE bare-name rules, no star, for the five workspace

diff --git a/packages/client-react/tsconfig.json b/packages/client-react/tsconfig.json
@@ -1,5 +1,5 @@
 {
-  "extends": "../../tsconfig.json",
+  "extends": "../../tsconfig.base.json",
   "compilerOptions": {
     "outDir": "./dist",
     "rootDir": "./src",

diff --git a/packages/client/test-typecheck-debt.json b/packages/client/test-typecheck-debt.json
diff --git a/packages/client/tsconfig.json b/packages/client/tsconfig.json
@@ -1,5 +1,5 @@
 {
-  "extends": "../../tsconfig.json",
+  "extends": "../../tsconfig.base.json",
   "compilerOptions": {
     "outDir": "./dist",
     "rootDir": "./src",

diff --git a/packages/client/tsconfig.test.json b/packages/client/tsconfig.test.json
@@ -20,7 +20,7 @@
 //     bulk of this package's stale TEST_DEBT entry — a measurement of the
 //     misconfigured check, not of the tests.
 //   - STRICTNESS IS UNTOUCHED. `strict`, `noUnusedLocals`, `noUnusedParameters`,
-//     `noImplicitReturns` and the rest are inherited from the root config.
+//     `noImplicitReturns` and the rest are inherited from the base config.
 //     Nothing here may loosen a type rule; if a test does not compile, that is
 //     the finding.
 //
@@ -50,12 +50,9 @@
 // `client.test.ts`, the pin file, first among them — must have no errors at
 // all.
 {
-  "extends": "./tsconfig.json",
+  "extends": ["./tsconfig.json", "../../tsconfig.test.base.json"],
   "compilerOptions": {
-    "noEmit": true,
     "rootDir": "../..",
-    "module": "esnext",
-    "moduleResolution": "bundler",
     "lib": ["ES2022", "DOM", "DOM.Iterable"],
     "types": ["node"]
   },

diff --git a/packages/cloud-connection/tsconfig.json b/packages/cloud-connection/tsconfig.json
@@ -1,5 +1,5 @@
 {
-    "extends": "../../tsconfig.json",
+    "extends": "../../tsconfig.base.json",
     "compilerOptions": {
         "outDir": "dist",
         "rootDir": "src",

diff --git a/packages/cloud-connection/tsconfig.test.json b/packages/cloud-connection/tsconfig.test.json
@@ -60,13 +60,7 @@
 // ledger to be added to -- the same call `metadata-fs` and
 // `trigger-record-change` recorded.
 {
-  "extends": "./tsconfig.json",
-  "compilerOptions": {
-    "noEmit": true,
-    "module": "esnext",
-    "moduleResolution": "bundler",
-    "lib": ["ES2022"]
-  },
+  "extends": ["./tsconfig.json", "../../tsconfig.test.base.json"],
   "include": ["src/**/*"],
   "exclude": ["node_modules", "dist"]
 }
diff --git a/packages/connectors/connector-imap/tsconfig.json b/packages/connectors/connector-imap/tsconfig.json
@@ -1,5 +1,5 @@
 {
-  "extends": "../../../tsconfig.json",
+  "extends": "../../../tsconfig.base.json",
   "compilerOptions": {
     "outDir": "./dist",
     "rootDir": "./src",

diff --git a/packages/connectors/connector-mcp/tsconfig.json b/packages/connectors/connector-mcp/tsconfig.json
@@ -1,5 +1,5 @@
 {
-  "extends": "../../../tsconfig.json",
+  "extends": "../../../tsconfig.base.json",
   "compilerOptions": {
     "outDir": "./dist",
     "rootDir": "./src",

diff --git a/packages/connectors/connector-mcp/tsconfig.test.json b/packages/connectors/connector-mcp/tsconfig.test.json
@@ -36,7 +36,7 @@
 //     compiles `src` under the build config's NodeNext and is where that rule is
 //     enforced.
 //   - `lib: ["ES2022"]`, for the reason `packages/rest` and `packages/lint`
-//     state: the root config's `lib` is ES2020 while vitest runs these files on
+//     state: the base config's `lib` is ES2020 while vitest runs these files on
 //     a Node with ES2022 builtins, so the gap is reported as TS2550 about the
 //     CHECK rather than about the code. ⚠️ Measured effect today: **zero** —
 //     this layer carries no TS2550 either way. Fidelity to the runtime, not
@@ -48,7 +48,7 @@
 //   - ⛔ STRICTNESS IS UNTOUCHED. `strict`, `noUnusedLocals`,
 //     `noUnusedParameters`, `noImplicitReturns`, `noFallthroughCasesInSwitch`,
 //     `types: ["node"]` and `rootDir` are inherited from `tsconfig.json` and
-//     through it the root config, and none of them is re-declared here.
+//     through it the base config, and none of them is re-declared here.
 //     `rootDir` (`./src`) needs no widening: every test file here lives under
 //     `src` and none reaches outside the package, so the TS6059 pile
 //     `packages/cli`'s sibling had to widen `rootDir` to clear does not arise —
@@ -92,13 +92,7 @@
 // — the same grep hits `packages/spec/src`), so no pin here was silently dead;
 // what the gap cost was the other half.
 {
-  "extends": "./tsconfig.json",
-  "compilerOptions": {
-    "noEmit": true,
-    "module": "esnext",
-    "moduleResolution": "bundler",
-    "lib": ["ES2022"]
-  },
+  "extends": ["./tsconfig.json", "../../../tsconfig.test.base.json"],
   "include": ["src/**/*"],
   "exclude": ["node_modules", "dist"]
 }
diff --git a/packages/connectors/connector-openapi/tsconfig.json b/packages/connectors/connector-openapi/tsconfig.json
@@ -1,5 +1,5 @@
 {
-  "extends": "../../../tsconfig.json",
+  "extends": "../../../tsconfig.base.json",
   "compilerOptions": {
     "outDir": "./dist",
     "rootDir": "./src",

diff --git a/packages/connectors/connector-openapi/tsconfig.test.json b/packages/connectors/connector-openapi/tsconfig.test.json
@@ -36,7 +36,7 @@
 //     compiles `src` under the build config's NodeNext and is where that rule is
 //     enforced.
 //   - `lib: ["ES2022"]`, for the reason `packages/rest` and `packages/lint`
-//     state: the root config's `lib` is ES2020 while vitest runs these files on
+//     state: the base config's `lib` is ES2020 while vitest runs these files on
 //     a Node with ES2022 builtins, so the gap is reported as TS2550 about the
 //     CHECK rather than about the code. ⚠️ Measured effect today: **zero** —
 //     this layer carries no TS2550 either way. Fidelity to the runtime, not
@@ -48,7 +48,7 @@
 //   - ⛔ STRICTNESS IS UNTOUCHED. `strict`, `noUnusedLocals`,
 //     `noUnusedParameters`, `noImplicitReturns`, `noFallthroughCasesInSwitch`,
 //     `types: ["node"]` and `rootDir` are inherited from `tsconfig.json` and
-//     through it the root config, and none of them is re-declared here.
+//     through it the base config, and none of them is re-declared here.
 //     `rootDir` (`./src`) needs no widening: every test file here lives under
 //     `src` and none reaches outside the package, so the TS6059 pile
 //     `packages/cli`'s sibling had to widen `rootDir` to clear does not arise —
@@ -91,13 +91,7 @@
 // — the same grep hits `packages/spec/src`), so no pin here was silently dead;
 // what the gap cost was the other half.
 {
-  "extends": "./tsconfig.json",
-  "compilerOptions": {
-    "noEmit": true,
-    "module": "esnext",
-    "moduleResolution": "bundler",
-    "lib": ["ES2022"]
-  },
+  "extends": ["./tsconfig.json", "../../../tsconfig.test.base.json"],
   "include": ["src/**/*"],
   "exclude": ["node_modules", "dist"]
 }
diff --git a/packages/connectors/connector-rest/tsconfig.json b/packages/connectors/connector-rest/tsconfig.json
@@ -1,5 +1,5 @@
 {
-  "extends": "../../../tsconfig.json",
+  "extends": "../../../tsconfig.base.json",
   "compilerOptions": {
     "outDir": "./dist",
     "rootDir": "./src",

diff --git a/packages/connectors/connector-rest/tsconfig.test.json b/packages/connectors/connector-rest/tsconfig.test.json
@@ -36,7 +36,7 @@
 //     compiles `src` under the build config's NodeNext and is where that rule is
 //     enforced.
 //   - `lib: ["ES2022"]`, for the reason `packages/rest` and `packages/lint`
-//     state: the root config's `lib` is ES2020 while vitest runs these files on
+//     state: the base config's `lib` is ES2020 while vitest runs these files on
 //     a Node with ES2022 builtins, so the gap is reported as TS2550 about the
 //     CHECK rather than about the code. ⚠️ Measured effect today: **zero** —
 //     this layer carries no TS2550 either way. Fidelity to the runtime, not
@@ -48,7 +48,7 @@
 //   - ⛔ STRICTNESS IS UNTOUCHED. `strict`, `noUnusedLocals`,
 //     `noUnusedParameters`, `noImplicitReturns`, `noFallthroughCasesInSwitch`,
 //     `types: ["node"]` and `rootDir` are inherited from `tsconfig.json` and
-//     through it the root config, and none of them is re-declared here.
+//     through it the base config, and none of them is re-declared here.
 //     `rootDir` (`./src`) needs no widening: every test file here lives under
 //     `src` and none reaches outside the package, so the TS6059 pile
 //     `packages/cli`'s sibling had to widen `rootDir` to clear does not arise —
@@ -92,13 +92,7 @@
 // — the same grep hits `packages/spec/src`), so no pin here was silently dead;
 // what the gap cost was the other half.
 {
-  "extends": "./tsconfig.json",
-  "compilerOptions": {
-    "noEmit": true,
-    "module": "esnext",
-    "moduleResolution": "bundler",
-    "lib": ["ES2022"]
-  },
+  "extends": ["./tsconfig.json", "../../../tsconfig.test.base.json"],
   "include": ["src/**/*"],
   "exclude": ["node_modules", "dist"]
 }
diff --git a/packages/connectors/connector-slack/tsconfig.json b/packages/connectors/connector-slack/tsconfig.json
@@ -1,5 +1,5 @@
 {
-  "extends": "../../../tsconfig.json",
+  "extends": "../../../tsconfig.base.json",
   "compilerOptions": {
     "outDir": "./dist",
     "rootDir": "./src",

diff --git a/packages/core/tsconfig.examples.json b/packages/core/tsconfig.examples.json
@@ -50,7 +50,7 @@
 //
 // STRICTNESS IS INHERITED and deliberately not relaxed: `strict`,
 // `noUnusedLocals`, `noUnusedParameters`, `noImplicitReturns` and the rest come
-// from the root config through `tsconfig.json`. The directory type-checks clean
+// from the base config through `tsconfig.json`. The directory type-checks clean
 // under them — it enters with ZERO recorded debt and there is no ledger here to
 // record any in. A published example that does not compile is the finding, not
 // a line to write down.

diff --git a/packages/core/tsconfig.json b/packages/core/tsconfig.json
@@ -1,5 +1,5 @@
 {
-  "extends": "../../tsconfig.json",
+  "extends": "../../tsconfig.base.json",
   "compilerOptions": {
     "outDir": "./dist",
     // [#11663 L2] Widened from `./src` as a CONSEQUENCE of the `paths` rule

diff --git a/packages/core/tsconfig.test.json b/packages/core/tsconfig.test.json
@@ -34,7 +34,7 @@
 //     `lib`: nothing in this layer touches a browser global.
 //   - ⛔ STRICTNESS IS UNTOUCHED. `strict`, `noUnusedLocals`,
 //     `noUnusedParameters`, `noImplicitReturns`, `noFallthroughCasesInSwitch`
-//     are inherited from the root config and `types: ["node"]` from
+//     are inherited from the base config and `types: ["node"]` from
 //     `tsconfig.json`. Nothing here may loosen a type rule; if a test does not
 //     compile, that is the finding.
 //
@@ -53,13 +53,7 @@
 //     retired on 2026-09-18 (#18373). This file declares no `paths` at all, so
 //     the rule stands.
 {
-  "extends": "./tsconfig.json",
-  "compilerOptions": {
-    "noEmit": true,
-    "module": "esnext",
-    "moduleResolution": "bundler",
-    "lib": ["ES2022"]
-  },
+  "extends": ["./tsconfig.json", "../../tsconfig.test.base.json"],
   "include": ["src/**/*"],
   "exclude": ["node_modules", "dist"]
 }
diff --git a/packages/drivers/driver-memory/tsconfig.json b/packages/drivers/driver-memory/tsconfig.json
@@ -1,7 +1,8 @@
 {
-  "extends": "../../../tsconfig.json",
+  "extends": "../../../tsconfig.base.json",
   "compilerOptions": {
     "target": "ES2020",
+    // module re-set from the base's NodeNext: no "type": "module" here, so NodeNext would compile src as CommonJS and refuse its `import.meta` (TS1470, measured).
     "module": "ES2020",
     "moduleResolution": "bundler",
     "declaration": true,

diff --git a/packages/drivers/driver-memory/tsconfig.typecheck.json b/packages/drivers/driver-memory/tsconfig.typecheck.json
@@ -25,7 +25,7 @@
 //
 // STRICTNESS IS INHERITED and deliberately not relaxed: `strict`,
 // `esModuleInterop`, `forceConsistentCasingInFileNames` and the rest come from
-// the root config through `tsconfig.json`. The manifest type-checks clean
+// the base config through `tsconfig.json`. The manifest type-checks clean
 // under them -- it enters with ZERO recorded debt, and there is no ledger here
 // to record any in.
 {

diff --git a/packages/drivers/driver-mongodb/tsconfig.json b/packages/drivers/driver-mongodb/tsconfig.json
@@ -1,5 +1,5 @@
 {
-  "extends": "../../../tsconfig.json",
+  "extends": "../../../tsconfig.base.json",
   "compilerOptions": {
     "outDir": "dist",
     "rootDir": "src",

diff --git a/packages/drivers/driver-mongodb/tsconfig.test.json b/packages/drivers/driver-mongodb/tsconfig.test.json
@@ -42,7 +42,7 @@
 //     `lib`: nothing in this layer touches a browser global.
 //   - ⛔ STRICTNESS IS UNTOUCHED. `strict`, `noUnusedLocals`,
 //     `noUnusedParameters`, `noImplicitReturns`, `noFallthroughCasesInSwitch`
-//     are inherited from the root config, and `types: ["node"]` restates
+//     are inherited from the base config, and `types: ["node"]` restates
 //     `tsconfig.json`'s — load-bearing for the same reason its comment gives,
 //     since the `.test.ts` files call the `setTimeout` / `console` users in
 //     `src/test-mongod.ts` and use those globals themselves. Nothing here may
@@ -78,12 +78,8 @@
 // cleanest possible confirmation that the ledger was measuring the CHECK's
 // misconfiguration and never a defect in the tests.
 {
-  "extends": "./tsconfig.json",
+  "extends": ["./tsconfig.json", "../../../tsconfig.test.base.json"],
   "compilerOptions": {
-    "noEmit": true,
-    "module": "esnext",
-    "moduleResolution": "bundler",
-    "lib": ["ES2022"],
     "types": ["node"]
   },
   "include": ["src/**/*"],

diff --git a/packages/drivers/driver-sql/tsconfig.json b/packages/drivers/driver-sql/tsconfig.json
@@ -1,7 +1,8 @@
 {
-  "extends": "../../../tsconfig.json",
+  "extends": "../../../tsconfig.base.json",
   "compilerOptions": {
     "target": "ES2020",
+    // module re-set from the base's NodeNext: no "type": "module" here, so NodeNext would compile src as CommonJS and refuse its `import.meta` (TS1470, measured).
     "module": "ES2020",
     "moduleResolution": "bundler",
     "declaration": true,

diff --git a/packages/drivers/driver-sqlite-wasm/tsconfig.json b/packages/drivers/driver-sqlite-wasm/tsconfig.json
@@ -1,7 +1,8 @@
 {
-  "extends": "../../../tsconfig.json",
+  "extends": "../../../tsconfig.base.json",
   "compilerOptions": {
     "target": "ES2020",
+    // module re-set from the base's NodeNext: no "type": "module" here, so NodeNext would compile src as CommonJS and refuse its `import.meta` (TS1470, measured).
     "module": "ES2020",
     "moduleResolution": "bundler",
     "declaration": true,

diff --git a/packages/drivers/driver-turso/tsconfig.json b/packages/drivers/driver-turso/tsconfig.json
@@ -1,7 +1,8 @@
 {
-  "extends": "../../../tsconfig.json",
+  "extends": "../../../tsconfig.base.json",
   "compilerOptions": {
     "target": "ES2020",
+    // module re-set from the base's NodeNext: no "type": "module" here, so NodeNext would compile src as CommonJS and refuse its `import.meta` (TS1470, measured).
     "module": "ES2020",
     "moduleResolution": "bundler",
     "declaration": true,