diff --git a/packages/gittensory-miner/lib/coding-agent-house-rules.d.ts b/packages/gittensory-miner/lib/coding-agent-house-rules.d.ts
new file mode 100644
index 000000000..b11877609
--- /dev/null
+++ b/packages/gittensory-miner/lib/coding-agent-house-rules.d.ts
@@ -0,0 +1,24 @@
+import type { AgentSdkHooks, CodingAgentDriverResult, CodingAgentExecutionMode, LintGuardResult, RunCodingAgentAttemptOptions } from "@jsonbored/gittensory-engine";
+import type { DenyRule } from "./deny-hooks.js";
+import type { appendGovernorEvent } from "./governor-ledger.js";
+
+export type HouseRulesConfig = {
+  rules?: readonly DenyRule[];
+  repoFullName?: string;
+};
+
+export type HouseRulesOptions = {
+  append?: typeof appendGovernorEvent;
+};
+
+/** The concrete shape {@link buildHouseRulesAgentSdkHooks} returns -- a single PreToolUse matcher group
+ *  holding the one house-rules callback. Structurally assignable to the engine's opaque `AgentSdkHooks`. */
+export type HouseRulesAgentSdkHooks = AgentSdkHooks & {
+  PreToolUse: Array<{ hooks: Array<(input: unknown, toolUseId?: string, context?: unknown) => Promise<Record<string, unknown>>> }>;
+};
+
+export function buildHouseRulesAgentSdkHooks(config?: HouseRulesConfig, options?: HouseRulesOptions): HouseRulesAgentSdkHooks;
+
+export function runHouseRulesEnforcedCodingAgentAttempt(
+  options: RunCodingAgentAttemptOptions & { houseRulesConfig?: HouseRulesConfig; houseRulesOptions?: HouseRulesOptions },
+): Promise<{ mode: CodingAgentExecutionMode; result: CodingAgentDriverResult & { lintGuard?: LintGuardResult } }>;
diff --git a/packages/gittensory-miner/lib/coding-agent-house-rules.js b/packages/gittensory-miner/lib/coding-agent-house-rules.js
new file mode 100644
index 000000000..30544d66a
--- /dev/null
+++ b/packages/gittensory-miner/lib/coding-agent-house-rules.js
@@ -0,0 +1,53 @@
+// House-rules-enforced coding-agent construction (#2343 follow-up). buildHouseRulesPreToolUseHook
+// (pretooluse-hook.js) is the LIVE PreToolUse interception point, but the engine package's
+// createCodingAgentDriver / runCodingAgentAttempt (driver-factory.ts) cannot import it directly -- the
+// dependency only ever flows gittensory-miner -> @jsonbored/gittensory-engine, never the reverse (the engine
+// package is portable and cannot depend on the miner CLI package). This module is the missing miner-side
+// glue: it wraps runCodingAgentAttempt so the `agent-sdk` provider gets house-rule enforcement by DEFAULT --
+// a future real call site does not need to remember to attach it itself, closing the exact gap
+// buildHouseRulesPreToolUseHook's own doc comment already anticipated ("the live interception wiring itself").
+//
+// This does not build a CLI entrypoint -- nothing in this package constructs a coding-agent driver in
+// production yet (verified: no caller of createCodingAgentDriver/runCodingAgentAttempt exists anywhere in
+// packages/gittensory-miner today). That is separate, larger follow-up work. What this DOES guarantee: once
+// such a call site exists, it only has to call `runHouseRulesEnforcedCodingAgentAttempt` (a drop-in
+// replacement for the engine's own `runCodingAgentAttempt`) to get real, unbypassable house-rule enforcement
+// automatically, rather than depending on that future author to remember to wire hooks by hand.
+
+import { runCodingAgentAttempt } from "@jsonbored/gittensory-engine";
+import { buildHouseRulesPreToolUseHook } from "./pretooluse-hook.js";
+
+/**
+ * Wrap {@link buildHouseRulesPreToolUseHook}'s callback into the Claude Agent SDK's own `hooks.PreToolUse`
+ * registration shape (an array of matcher groups, each holding an array of hook callbacks) -- the exact
+ * contract `agent-sdk-driver.ts`'s own doc comment names as "#2343's stated attachment point", and the shape
+ * `packages/gittensory-engine/test/agent-sdk-driver.test.ts` asserts is forwarded to the SDK verbatim.
+ *
+ * @param {Parameters<typeof buildHouseRulesPreToolUseHook>[0]} [config]
+ * @param {Parameters<typeof buildHouseRulesPreToolUseHook>[1]} [options]
+ * @returns {{ PreToolUse: Array<{ hooks: Array<ReturnType<typeof buildHouseRulesPreToolUseHook>> }> }}
+ */
+export function buildHouseRulesAgentSdkHooks(config = {}, options = {}) {
+  return { PreToolUse: [{ hooks: [buildHouseRulesPreToolUseHook(config, options)] }] };
+}
+
+/**
+ * Drop-in replacement for the engine's `runCodingAgentAttempt` that defaults `hooks` to
+ * {@link buildHouseRulesAgentSdkHooks} for the `agent-sdk` provider, so house-rule enforcement (#2343) is ON
+ * by default rather than opt-in. An explicitly-supplied `hooks` option always wins (e.g. a test injecting its
+ * own hook double, or a caller composing additional hooks of its own) -- this only fills the gap when the
+ * caller omitted it entirely. Providers other than `agent-sdk` (`noop`, `claude-cli`, `codex-cli`) ignore
+ * `hooks` entirely (only the in-process SDK session has a hook-registration concept), so defaulting it for
+ * them is inert, never an error.
+ *
+ * @param {Parameters<typeof runCodingAgentAttempt>[0] & {
+ *   houseRulesConfig?: Parameters<typeof buildHouseRulesPreToolUseHook>[0],
+ *   houseRulesOptions?: Parameters<typeof buildHouseRulesPreToolUseHook>[1],
+ * }} options
+ * @returns {ReturnType<typeof runCodingAgentAttempt>}
+ */
+export function runHouseRulesEnforcedCodingAgentAttempt(options) {
+  const { houseRulesConfig, houseRulesOptions, ...attemptOptions } = options;
+  const hooks = attemptOptions.hooks ?? buildHouseRulesAgentSdkHooks(houseRulesConfig, houseRulesOptions);
+  return runCodingAgentAttempt({ ...attemptOptions, hooks });
+}
diff --git a/packages/gittensory-miner/package.json b/packages/gittensory-miner/package.json
index 7ce87d07f..47d4491cd 100644
--- a/packages/gittensory-miner/package.json
+++ b/packages/gittensory-miner/package.json
@@ -32,7 +32,7 @@
     "expected-engine.version"
   ],
   "scripts": {
-    "build": "node --check bin/gittensory-miner.js && node --check lib/attempt-log.js && node --check lib/calibration-types.js && node --check lib/calibration.js && node --check lib/ci-poller.js && node --check lib/claim-adjudication.js && node --check lib/claim-ledger-cli.js && node --check lib/claim-ledger-expiry.js && node --check lib/claim-ledger.js && node --check lib/cli.js && node --check lib/deny-check.js && node --check lib/deny-hook-synthesis.js && node --check lib/deny-hooks.js && node --check lib/discover-cli.js && node --check lib/event-ledger-cli.js && node --check lib/event-ledger.js && node --check lib/feasibility-cli.js && node --check lib/gate-verdict-poller.js && node --check lib/governor-action-mode.js && node --check lib/governor-chokepoint.js && node --check lib/governor-kill-switch.js && node --check lib/governor-ledger-cli.js && node --check lib/governor-ledger.js && node --check lib/governor-open-pr.js && node --check lib/governor-run-halt.js && node --check lib/governor-write-rate-limit.js && node --check lib/harness-submission-trigger.js && node --check lib/laptop-init.js && node --check lib/local-store.js && node --check lib/loop-closure.js && node --check lib/loop-reentry.js && node --check lib/manage-poll.js && node --check lib/manage-status.js && node --check lib/opportunity-fanout.js && node --check lib/opportunity-ranker.js && node --check lib/orb-export.js && node --check lib/plan-store-cli.js && node --check lib/plan-store.js && node --check lib/portfolio-dashboard.js && node --check lib/portfolio-discovery.js && node --check lib/portfolio-queue-cli.js && node --check lib/portfolio-queue-manager.js && node --check lib/portfolio-queue.js && node --check lib/pr-outcome.js && node --check lib/prediction-ledger.js && node --check lib/pretooluse-hook.js && node --check lib/rejection-state-machine.js && node --check lib/rejection-templates.js && node --check lib/replay-objective-anchor.js && node --check lib/replay-task-generation.js && node --check lib/run-state-cli.js && node --check lib/run-state.js && node --check lib/status.js && node --check lib/update-check.js && node --check lib/version.js && node --check lib/worktree-allocator.js"
+    "build": "node --check bin/gittensory-miner.js && node --check lib/attempt-log.js && node --check lib/calibration-types.js && node --check lib/calibration.js && node --check lib/ci-poller.js && node --check lib/claim-adjudication.js && node --check lib/claim-ledger-cli.js && node --check lib/claim-ledger-expiry.js && node --check lib/claim-ledger.js && node --check lib/cli.js && node --check lib/coding-agent-house-rules.js && node --check lib/deny-check.js && node --check lib/deny-hook-synthesis.js && node --check lib/deny-hooks.js && node --check lib/discover-cli.js && node --check lib/event-ledger-cli.js && node --check lib/event-ledger.js && node --check lib/feasibility-cli.js && node --check lib/gate-verdict-poller.js && node --check lib/governor-action-mode.js && node --check lib/governor-chokepoint.js && node --check lib/governor-kill-switch.js && node --check lib/governor-ledger-cli.js && node --check lib/governor-ledger.js && node --check lib/governor-open-pr.js && node --check lib/governor-run-halt.js && node --check lib/governor-write-rate-limit.js && node --check lib/harness-submission-trigger.js && node --check lib/laptop-init.js && node --check lib/local-store.js && node --check lib/loop-closure.js && node --check lib/loop-reentry.js && node --check lib/manage-poll.js && node --check lib/manage-status.js && node --check lib/opportunity-fanout.js && node --check lib/opportunity-ranker.js && node --check lib/orb-export.js && node --check lib/plan-store-cli.js && node --check lib/plan-store.js && node --check lib/portfolio-dashboard.js && node --check lib/portfolio-discovery.js && node --check lib/portfolio-queue-cli.js && node --check lib/portfolio-queue-manager.js && node --check lib/portfolio-queue.js && node --check lib/pr-outcome.js && node --check lib/prediction-ledger.js && node --check lib/pretooluse-hook.js && node --check lib/rejection-state-machine.js && node --check lib/rejection-templates.js && node --check lib/replay-objective-anchor.js && node --check lib/replay-task-generation.js && node --check lib/run-state-cli.js && node --check lib/run-state.js && node --check lib/status.js && node --check lib/update-check.js && node --check lib/version.js && node --check lib/worktree-allocator.js"
   },
   "dependencies": {
     "@jsonbored/gittensory-engine": "*"
diff --git a/test/unit/miner-coding-agent-house-rules.test.ts b/test/unit/miner-coding-agent-house-rules.test.ts
new file mode 100644
index 000000000..5006e6596
--- /dev/null
+++ b/test/unit/miner-coding-agent-house-rules.test.ts
@@ -0,0 +1,132 @@
+import { describe, expect, it, vi } from "vitest";
+
+vi.mock("@jsonbored/gittensory-engine", async () => {
+  return import("../../packages/gittensory-engine/src/index");
+});
+
+import { buildHouseRulesAgentSdkHooks, runHouseRulesEnforcedCodingAgentAttempt } from "../../packages/gittensory-miner/lib/coding-agent-house-rules.js";
+// Typed from source, not the "@jsonbored/gittensory-engine" package specifier: that resolves via the
+// workspace package's dist/ (git-ignored, only built by CI's later "Build engine package" step -- #ci-engine-
+// build-order), which runs AFTER Typecheck, so a real (non-vi.mock) `import type` from the package specifier
+// fails TS2307 in CI even though it resolves fine locally with a stale/leftover dist/ already on disk. The
+// vi.mock above already redirects the package specifier to this exact source file at runtime; importing
+// types from the same source path keeps both resolutions consistent and needs no build step at all.
+import type { AgentSdkQueryFn, CodingAgentDriverTask } from "../../packages/gittensory-engine/src/index";
+
+// buildHouseRulesPreToolUseHook's own deny-rule matching logic (matcher, glob, path-tokenizing, force-push
+// detection) is already exhaustively tested in miner-pretooluse-hook.test.ts. These tests cover only this
+// module's own job: wrapping that hook into the SDK's registration shape, and defaulting `hooks` for
+// runCodingAgentAttempt's `agent-sdk` provider without overriding a caller-supplied value.
+
+const task: CodingAgentDriverTask = {
+  attemptId: "attempt-1",
+  workingDirectory: "/tmp/worktrees/attempt-1",
+  acceptanceCriteriaPath: "/tmp/worktrees/attempt-1/ACCEPTANCE-CRITERIA.md",
+  instructions: "Apply the fix described in ACCEPTANCE-CRITERIA.md.",
+  maxTurns: 4,
+};
+
+function assistantResult(): Record<string, unknown> {
+  return { type: "result", subtype: "success", is_error: false, num_turns: 1, result: "done" };
+}
+
+/** A fake AgentSdkQueryFn that captures its own call input (mirrors agent-sdk-driver.test.ts's own helper),
+ *  so a test can assert on exactly what `hooks` shape reached the SDK session. */
+function queryCapturing(captured: { input?: Parameters<AgentSdkQueryFn>[0] }): AgentSdkQueryFn {
+  return (input) => {
+    captured.input = input;
+    return (async function* () {
+      yield assistantResult();
+    })();
+  };
+}
+
+describe("buildHouseRulesAgentSdkHooks (#2343 follow-up)", () => {
+  it("wraps the house-rules hook in the SDK's documented PreToolUse matcher-group shape", () => {
+    const hooks = buildHouseRulesAgentSdkHooks();
+    expect(Object.keys(hooks)).toEqual(["PreToolUse"]);
+    expect(hooks.PreToolUse).toHaveLength(1);
+    expect(hooks.PreToolUse[0]!.hooks).toHaveLength(1);
+    expect(typeof hooks.PreToolUse[0]!.hooks[0]).toBe("function");
+  });
+
+  it("the wrapped callback actually enforces the house-rule denylist (not just a matching shape)", async () => {
+    const hooks = buildHouseRulesAgentSdkHooks();
+    const callback = hooks.PreToolUse[0]!.hooks[0]!;
+    const denied = await callback({ tool_name: "Read", tool_input: { file_path: ".env" } });
+    expect(denied).toMatchObject({ hookSpecificOutput: { permissionDecision: "deny" } });
+    const allowed = await callback({ tool_name: "Read", tool_input: { file_path: "src/index.ts" } });
+    expect(allowed).toEqual({});
+  });
+
+  it("threads config.repoFullName and options.append through to the underlying hook", async () => {
+    const append = vi.fn();
+    const hooks = buildHouseRulesAgentSdkHooks({ repoFullName: "acme/widgets" }, { append });
+    const callback = hooks.PreToolUse[0]!.hooks[0]!;
+    await callback({ tool_name: "Read", tool_input: { file_path: ".env" } });
+    expect(append).toHaveBeenCalledWith(expect.objectContaining({ repoFullName: "acme/widgets" }));
+  });
+});
+
+describe("runHouseRulesEnforcedCodingAgentAttempt (#2343 follow-up)", () => {
+  it("defaults hooks to house-rules enforcement for the agent-sdk provider when the caller omits it", async () => {
+    const captured: { input?: Parameters<AgentSdkQueryFn>[0] } = {};
+    const result = await runHouseRulesEnforcedCodingAgentAttempt({
+      providerName: "agent-sdk",
+      task,
+      query: queryCapturing(captured),
+    });
+
+    expect(result.mode).toBe("live");
+    expect(result.result.ok).toBe(true);
+    const hooks = captured.input!.options.hooks as ReturnType<typeof buildHouseRulesAgentSdkHooks>;
+    expect(Object.keys(hooks)).toEqual(["PreToolUse"]);
+    // Prove it's a REAL, enforcing hook, not an empty placeholder shape.
+    const callback = hooks.PreToolUse[0]!.hooks[0]!;
+    const denied = await callback({ tool_name: "Read", tool_input: { file_path: ".env" } });
+    expect(denied).toMatchObject({ hookSpecificOutput: { permissionDecision: "deny" } });
+  });
+
+  it("does NOT override a caller-supplied hooks option", async () => {
+    const captured: { input?: Parameters<AgentSdkQueryFn>[0] } = {};
+    const callerHooks = { PreToolUse: [{ hooks: ["caller-supplied-marker"] }] };
+    await runHouseRulesEnforcedCodingAgentAttempt({
+      providerName: "agent-sdk",
+      task,
+      query: queryCapturing(captured),
+      hooks: callerHooks,
+    });
+
+    expect(captured.input!.options.hooks).toBe(callerHooks);
+  });
+
+  it("threads houseRulesConfig/houseRulesOptions into the defaulted hook without leaking them to the driver factory", async () => {
+    const append = vi.fn();
+    const captured: { input?: Parameters<AgentSdkQueryFn>[0] } = {};
+    await runHouseRulesEnforcedCodingAgentAttempt({
+      providerName: "agent-sdk",
+      task,
+      query: queryCapturing(captured),
+      houseRulesConfig: { repoFullName: "acme/widgets" },
+      houseRulesOptions: { append },
+    });
+
+    const hooks = captured.input!.options.hooks as ReturnType<typeof buildHouseRulesAgentSdkHooks>;
+    await hooks.PreToolUse[0]!.hooks[0]!({ tool_name: "Read", tool_input: { file_path: ".env" } });
+    expect(append).toHaveBeenCalledWith(expect.objectContaining({ repoFullName: "acme/widgets" }));
+  });
+
+  it("is inert (no error) for a provider that ignores hooks entirely", async () => {
+    const result = await runHouseRulesEnforcedCodingAgentAttempt({ providerName: "noop", task });
+    expect(result.result.ok).toBe(true);
+  });
+
+  it("a paused/dry-run attempt never constructs a driver, so hooks default harmlessly without ever being consulted", async () => {
+    const result = await runHouseRulesEnforcedCodingAgentAttempt({
+      providerName: "agent-sdk",
+      task,
+      agentPaused: true,
+    });
+    expect(result.mode).toBe("paused");
+  });
+});