diff --git a/packages/loopover-miner/DEPLOYMENT.md b/packages/loopover-miner/DEPLOYMENT.md
index ea9ff90027..40e2ffd6d8 100644
--- a/packages/loopover-miner/DEPLOYMENT.md
+++ b/packages/loopover-miner/DEPLOYMENT.md
@@ -186,6 +186,24 @@ See [`docs/operations-runbook.md`](docs/operations-runbook.md) for operational s
 See [`docs/sizing.md`](docs/sizing.md) for measured CPU/RAM/disk numbers for laptop mode vs. fleet mode at
 different worker counts, with the exact commands used to reproduce them.
 
+## Environment variable reference
+
+All optional. The per-store `LOOPOVER_MINER_<NAME>_DB` path overrides (e.g. `LOOPOVER_MINER_PORTFOLIO_QUEUE_DB`)
+and `LOOPOVER_MINER_CONFIG_DIR` are covered above under the fleet/state notes; the rest are:
+
+| Variable | Read by | Purpose |
+| --- | --- | --- |
+| `LOOPOVER_MINER_AMS_POLICY_PATH` | `lib/ams-policy.js` | Path to the operator's `.loopover-ams.yml` policy spec. |
+| `LOOPOVER_MINER_AMS_COLLECTOR_URL`, `LOOPOVER_MINER_AMS_COLLECTOR_TOKEN` | `lib/orb-export.js` | Endpoint + bearer for pushing fleet state to an AMS/Orb collector. |
+| `LOOPOVER_MINER_CHAT_ACTIONS` | `lib/chat-action-dispatch.js` | Truthy string enables the chat-action-dispatch flag (off by default). |
+| `LOOPOVER_MINER_LEDGER_RETENTION_DAYS`, `LOOPOVER_MINER_LEDGER_RETENTION_MAX_ROWS` | `lib/store-maintenance.js` | Opt-in ledger retention window / row cap. |
+| `LOOPOVER_MINER_LOG_LEVEL` | `lib/logger.js` | Log verbosity override. |
+| `LOOPOVER_MINER_NO_UPDATE_CHECK` | `lib/update-check.js` | Truthy string disables the background update check. |
+| `LOOPOVER_MINER_REPO_CLONE_DIR` | `lib/repo-clone.js` | Base directory for cloned target repos. |
+| `LOOPOVER_MINER_WORKTREE_DIR` | `lib/worktree-allocator.js` | Base directory for per-attempt git worktrees. |
+| `LOOPOVER_MINER_SENTRY_DSN`, `LOOPOVER_MINER_SENTRY_ENVIRONMENT` | `lib/sentry.js` | Optional Sentry error reporting (DSN + environment tag). |
+| `LOOPOVER_MINER_VERSION` | `lib/version.js` | Overrides the reported release id (e.g. for a custom build). |
+
 ## Optional hosted discovery plane (opt-in)
 
 The Phase 6 **hosted discovery-index** is **off by default** — unlike Orb fleet export (`ORB_AIR_GAP` is the only opt-out). Operators who want cross-fleet metadata queries or soft-claim coordination must opt in explicitly. See [`docs/discovery-plane-operator-guide.md`](docs/discovery-plane-operator-guide.md) ([#4309](https://github.com/JSONbored/gittensory/issues/4309), placeholder until [#4300](https://github.com/JSONbored/gittensory/issues/4300) / [#4301](https://github.com/JSONbored/gittensory/issues/4301) / [#4302](https://github.com/JSONbored/gittensory/issues/4302) ship).
diff --git a/packages/loopover-miner/lib/deployment-docs-audit.d.ts b/packages/loopover-miner/lib/deployment-docs-audit.d.ts
index a2d4a3474c..94206f82a2 100644
--- a/packages/loopover-miner/lib/deployment-docs-audit.d.ts
+++ b/packages/loopover-miner/lib/deployment-docs-audit.d.ts
@@ -8,6 +8,9 @@ export type DeploymentDocsClaims = {
 /** Filesystem-independent view of the live source tree the parsed claims are checked against. */
 export type DeploymentDocsReality = {
   hasEnvRead: (name: string) => boolean;
+  /** The enumerable set of every real env-var read, so the reverse audit direction (#6601) can diff a real
+   *  `LOOPOVER_MINER_*` read that DEPLOYMENT.md never documents, not just probe one documented name at a time. */
+  envReads: Iterable<string>;
   pathExists: (relativePath: string) => boolean;
   isRegisteredCommand: (name: string) => boolean;
 };
diff --git a/packages/loopover-miner/lib/deployment-docs-audit.js b/packages/loopover-miner/lib/deployment-docs-audit.js
index 49d5b0686e..88b754f4e3 100644
--- a/packages/loopover-miner/lib/deployment-docs-audit.js
+++ b/packages/loopover-miner/lib/deployment-docs-audit.js
@@ -102,6 +102,18 @@ export function auditDeploymentDocs(claims, reality) {
       );
     }
   }
+  // Reverse direction (#6601): a real `LOOPOVER_MINER_*` env-var read that DEPLOYMENT.md never documents. Scoped
+  // to the `LOOPOVER_MINER_` prefix and excluding the `*_DB` family (documented generically via one pattern
+  // sentence, not enumerated) and the bare `MINER_*` alias namespace (which also matches non-env event/metric/
+  // filename constants). `reality.envReads` is the enumerable set of real reads the forward `hasEnvRead` probes.
+  const documented = new Set(claims.envVars);
+  for (const name of reality.envReads) {
+    if (name.startsWith("LOOPOVER_MINER_") && !name.endsWith("_DB") && !documented.has(name)) {
+      failures.push(
+        `env var "${name}" is read under packages/loopover-miner/** but is not documented in DEPLOYMENT.md`,
+      );
+    }
+  }
   return { ok: failures.length === 0, failures };
 }
 
diff --git a/scripts/check-miner-deployment-docs.d.mts b/scripts/check-miner-deployment-docs.d.mts
index a6af3a3fa8..40ac0e7f9a 100644
--- a/scripts/check-miner-deployment-docs.d.mts
+++ b/scripts/check-miner-deployment-docs.d.mts
@@ -1,5 +1,7 @@
 export type MinerDeploymentReality = {
   hasEnvRead: (name: string) => boolean;
+  /** Enumerable set of every real env-var read, for the reverse audit direction (#6601). */
+  envReads: Iterable<string>;
   pathExists: (relativePath: string) => boolean;
   isRegisteredCommand: (name: string) => boolean;
 };
diff --git a/scripts/check-miner-deployment-docs.mjs b/scripts/check-miner-deployment-docs.mjs
index 7941e7da2c..018642d712 100644
--- a/scripts/check-miner-deployment-docs.mjs
+++ b/scripts/check-miner-deployment-docs.mjs
@@ -39,6 +39,9 @@ export function buildLiveMinerDeploymentReality() {
   const registered = scanRegisteredCommands(readFileSync(BIN_ENTRY, "utf8"));
   return {
     hasEnvRead: (name) => envReads.has(name),
+    // The full enumerable read-set (#6601), so auditDeploymentDocs can diff the reverse direction — a real
+    // `LOOPOVER_MINER_*` read missing from DEPLOYMENT.md — not just probe one documented name at a time.
+    envReads,
     pathExists: (relativePath) => existsSync(resolve(MINER_DIR, relativePath)),
     isRegisteredCommand: (name) => registered.has(name),
   };
diff --git a/test/unit/check-miner-deployment-docs.test.ts b/test/unit/check-miner-deployment-docs.test.ts
index 31fb99953d..251501ed5b 100644
--- a/test/unit/check-miner-deployment-docs.test.ts
+++ b/test/unit/check-miner-deployment-docs.test.ts
@@ -1,5 +1,6 @@
 import { describe, expect, it, vi } from "vitest";
 import {
+  buildLiveMinerDeploymentReality,
   main,
   runMinerDeploymentDocsAudit,
 } from "../../scripts/check-miner-deployment-docs.mjs";
@@ -14,6 +15,16 @@ describe("check-miner-deployment-docs (#6158)", () => {
     expect(result.claimCounts.subcommands).toBeGreaterThan(0);
   });
 
+  it("exposes the live env-var read set as an enumerable field for the reverse audit (#6601)", () => {
+    const reality = buildLiveMinerDeploymentReality();
+    const reads = [...reality.envReads];
+    // Populated, and includes a var the reverse check now requires DEPLOYMENT.md to document.
+    expect(reads.length).toBeGreaterThan(0);
+    expect(reads).toContain("LOOPOVER_MINER_LOG_LEVEL");
+    // The enumerable set and the boolean probe agree.
+    expect(reads.every((name) => reality.hasEnvRead(name))).toBe(true);
+  });
+
   it("fails when env-var backing reads are forced missing (drift fixture)", () => {
     expect(() => runMinerDeploymentDocsAudit({ testMode: "missing-env" })).toThrow(/DEPLOYMENT\.md is out of sync/i);
   });
diff --git a/test/unit/miner-deployment-docs-audit.test.ts b/test/unit/miner-deployment-docs-audit.test.ts
index d11104d524..bccdd947c1 100644
--- a/test/unit/miner-deployment-docs-audit.test.ts
+++ b/test/unit/miner-deployment-docs-audit.test.ts
@@ -43,6 +43,7 @@ function buildLiveReality(): DeploymentDocsReality {
   const registered = scanRegisteredCommands(readFileSync(BIN_ENTRY, "utf8"));
   return {
     hasEnvRead: (name) => envReads.has(name),
+    envReads,
     pathExists: (relativePath) => existsSync(resolve(MINER_DIR, relativePath)),
     isRegisteredCommand: (name) => registered.has(name),
   };
@@ -50,6 +51,7 @@ function buildLiveReality(): DeploymentDocsReality {
 
 const ALWAYS_IN_SYNC: DeploymentDocsReality = {
   hasEnvRead: () => true,
+  envReads: [],
   pathExists: () => true,
   isRegisteredCommand: () => true,
 };
@@ -184,11 +186,46 @@ describe("loopover-miner DEPLOYMENT.md docs-accuracy audit (#5180)", () => {
     expect(result.failures[0]).toContain("not registered");
   });
 
+  it("reverse (#6601): flags a real LOOPOVER_MINER_* read that DEPLOYMENT.md never documents", () => {
+    const result = auditDeploymentDocs(
+      { envVars: [], filePaths: [], subcommands: [] },
+      { ...ALWAYS_IN_SYNC, envReads: ["LOOPOVER_MINER_LOG_LEVEL"] },
+    );
+    expect(result.ok).toBe(false);
+    expect(result.failures).toHaveLength(1);
+    expect(result.failures[0]).toContain("LOOPOVER_MINER_LOG_LEVEL");
+    expect(result.failures[0]).toContain("is not documented");
+  });
+
+  it("reverse (#6601): does NOT flag a real read that IS documented", () => {
+    const result = auditDeploymentDocs(
+      { envVars: ["LOOPOVER_MINER_LOG_LEVEL"], filePaths: [], subcommands: [] },
+      { ...ALWAYS_IN_SYNC, envReads: ["LOOPOVER_MINER_LOG_LEVEL"] },
+    );
+    expect(result).toEqual({ ok: true, failures: [] });
+  });
+
+  it("reverse (#6601): does NOT flag an undocumented LOOPOVER_MINER_*_DB read (generic-pattern exemption)", () => {
+    const result = auditDeploymentDocs(
+      { envVars: [], filePaths: [], subcommands: [] },
+      { ...ALWAYS_IN_SYNC, envReads: ["LOOPOVER_MINER_PORTFOLIO_QUEUE_DB"] },
+    );
+    expect(result).toEqual({ ok: true, failures: [] });
+  });
+
+  it("reverse (#6601): does NOT flag an undocumented bare MINER_* read (no LOOPOVER_MINER_ prefix)", () => {
+    const result = auditDeploymentDocs(
+      { envVars: [], filePaths: [], subcommands: [] },
+      { ...ALWAYS_IN_SYNC, envReads: ["MINER_PR_OUTCOME_EVENT"] },
+    );
+    expect(result).toEqual({ ok: true, failures: [] });
+  });
+
   it("assertDeploymentDocsInSync throws and names every stale claim at once", () => {
     expect(() =>
       assertDeploymentDocsInSync(
         { envVars: ["LOOPOVER_MINER_GONE"], filePaths: ["gone.yml"], subcommands: ["gone"] },
-        { hasEnvRead: () => false, pathExists: () => false, isRegisteredCommand: () => false },
+        { hasEnvRead: () => false, envReads: [], pathExists: () => false, isRegisteredCommand: () => false },
       ),
     ).toThrow(/LOOPOVER_MINER_GONE[\s\S]*gone\.yml[\s\S]*loopover-miner gone/);
   });