diff --git a/.changeset/ignored-mode-preflight.md b/.changeset/ignored-mode-preflight.md
new file mode 100644
index 0000000..fde6d0a
--- /dev/null
+++ b/.changeset/ignored-mode-preflight.md
@@ -0,0 +1,7 @@
+---
+"@bdsqqq/lnr-cli": patch
+---
+
+reject ignored read/write/deletion combinations and blank batch fields before acquiring credentials. preserve relative operation precedence while treating false subscription actions as inactive.
+
+route the documented two-token `issue batch` invocation to the batch handler, retaining the quoted legacy form.
diff --git a/.todo.md b/.todo.md
index 627a342..0973e5d 100644
--- a/.todo.md
+++ b/.todo.md
@@ -173,9 +173,11 @@ test dispatch + payload wiring, not schema validation. requires DI refactor for
     - document owner/session summary, project creation fields, issue update fields, and atomic label deltas have argv-to-sdk coverage
     - unsupported issue/project create actions and orphan/empty companion flags now reject before credentials; creation prioritySortOrder forwards zero
     - [x] 0099 - forward document project updates and preserve empty creation content, with argv-to-sdk regressions (live reassignment not yet verified)
-    - [ ] 0102 - reject existing-record mutation/read/delete flag combinations that discard intent, preserving operation precedence
-    - [ ] 0103 - reject empty batch state/assignee/priority/label values before credentials
+    - [x] 0102 - reject ignored issue/project read-action combinations and generated deletion/mutation conflicts before credentials; preserve relative precedence and inactive subscription booleans
+    - [x] 0103 - reject empty batch state/assignee/priority/label values before credentials
     - [ ] 0104 - honor mutation output modes or reject unsupported modes before writes; do not silently emit ordinary text
+    - [ ] 0105 - validate priority strings before credentials; unknown values currently fall back to zero in `priorityFromString`
+    - [x] 0106 - normalize natural `issue batch` argv to its flat router command; preserve quoted legacy invocation and unrelated routes
     - exhaustive accepted-flag/operation bindings remain unverified; do not mark complete from these targeted regressions
     - start with agent-session summary and document ownerId; audit every accepted flag for dispatch and api effect
     - test create/update differences, omitted/null/false/zero/empty-list semantics, enum validation, and argv parsing
diff --git a/packages/cli/src/cli.ts b/packages/cli/src/cli.ts
index 3a03761..7ddb971 100644
--- a/packages/cli/src/cli.ts
+++ b/packages/cli/src/cli.ts
@@ -3,6 +3,7 @@
 import { createCli } from "trpc-cli";
 import { appRouter } from "./router";
 import pkg from "../package.json";
+import { normalizeArgv } from "./lib/argv";
 
 // parse global --api-key flag before trpc-cli
 // precedence: --api-key > LINEAR_API_KEY env > config file
@@ -25,4 +26,4 @@ const cli = createCli({
   description: "command-line interface for Linear",
 });
 
-void cli.run();
+void cli.run({ argv: normalizeArgv(process.argv.slice(2)) });
diff --git a/packages/cli/src/generated/doc.ts b/packages/cli/src/generated/doc.ts
index 589aa31..8afff96 100644
--- a/packages/cli/src/generated/doc.ts
+++ b/packages/cli/src/generated/doc.ts
@@ -273,6 +273,15 @@ export const generatedDocsRouter = router({
     .input(docInput)
     .mutation(async ({ input }) => {
       const operation = inferOperation(input);
+      if (operation === "create" && input.delete === true) {
+        throw new Error("--delete requires an existing doc");
+      }
+      if (operation === "delete" && docMutationFlags.some(flag =>
+        input[flag] !== undefined && input[flag] !== false
+      )) {
+        throw new Error("--delete cannot be combined with doc mutation flags");
+      }
+
 
       switch (operation) {
         case "create":
diff --git a/packages/cli/src/generated/issue.ts b/packages/cli/src/generated/issue.ts
index 34a0e58..5eeb557 100644
--- a/packages/cli/src/generated/issue.ts
+++ b/packages/cli/src/generated/issue.ts
@@ -148,7 +148,10 @@ export const issueMutationFlags: readonly (keyof IssueInput)[] = [
 export function inferOperation(input: IssueInput): Operation {
   if (input.idOrNew === "new") return "create";
 
-  const hasMutationFlags = issueMutationFlags.some(flag => input[flag] !== undefined);
+  const hasMutationFlags = issueMutationFlags.some(flag =>
+    input[flag] !== undefined &&
+    (!(flag === "subscribe" || flag === "unsubscribe") || input[flag] !== false)
+  );
 
   if (input.archive && hasMutationFlags) return "update";
   if (input.archive) return "archive";
@@ -808,6 +811,14 @@ export const generatedIssuesRouter = router({
     .input(issueInput)
     .mutation(async ({ input }) => {
       const operation = inferOperation(input);
+      const readActions = ["branch", "open", "comments", "subIssues"] as const;
+      const activeReadActions = readActions.filter(flag => input[flag] === true);
+      if (activeReadActions.length > 1) {
+        throw new Error("only one issue read action allowed per invocation");
+      }
+      if (operation !== "read" && activeReadActions.length > 0) {
+        throw new Error("issue read actions cannot be combined with " + operation);
+      }
       // reject ignored actions before handlers acquire credentials or create a resource.
       for (const flag of [
         "comment", "editComment", "replyTo", "deleteComment",
@@ -861,6 +872,11 @@ export const generatedIssuesRouter = router({
     })
     .input(batchUpdateInput)
     .mutation(async ({ input }) => {
+      for (const flag of ["state", "assignee", "priority", "label"] as const) {
+        if (input[flag] !== undefined && !input[flag].trim()) {
+          throw new Error("--" + flag + " must not be blank");
+        }
+      }
       await handleBatchUpdate(input);
     }),
 });
diff --git a/packages/cli/src/generated/label.ts b/packages/cli/src/generated/label.ts
index 2313219..1c99fab 100644
--- a/packages/cli/src/generated/label.ts
+++ b/packages/cli/src/generated/label.ts
@@ -255,6 +255,15 @@ export const generatedLabelsRouter = router({
     .input(labelInput)
     .mutation(async ({ input }) => {
       const operation = inferOperation(input);
+      if (operation === "create" && input.delete === true) {
+        throw new Error("--delete requires an existing label");
+      }
+      if (operation === "delete" && labelMutationFlags.some(flag =>
+        input[flag] !== undefined && input[flag] !== false
+      )) {
+        throw new Error("--delete cannot be combined with label mutation flags");
+      }
+
 
       switch (operation) {
         case "create":
diff --git a/packages/cli/src/generated/project.ts b/packages/cli/src/generated/project.ts
index b13a634..c6b3bbe 100644
--- a/packages/cli/src/generated/project.ts
+++ b/packages/cli/src/generated/project.ts
@@ -120,7 +120,8 @@ export function inferOperation(input: ProjectInput): Operation {
   if (input.delete) return "delete";
 
   for (const flag of projectMutationFlags) {
-    if (input[flag] !== undefined) return "update";
+    if (input[flag] !== undefined &&
+      (!(flag === "subscribe" || flag === "unsubscribe") || input[flag] !== false)) return "update";
   }
 
   return "read";
@@ -570,6 +571,19 @@ export const generatedProjectsRouter = router({
     .input(projectInput)
     .mutation(async ({ input }) => {
       const operation = inferOperation(input);
+      const readActions = ["issues", "updates", "labels", "showStatus", "milestones", "links"] as const;
+      const activeReadActions = readActions.filter(flag => input[flag] === true);
+      if (activeReadActions.length > 1) {
+        throw new Error("only one project read action allowed per invocation");
+      }
+      if (operation !== "read" && activeReadActions.length > 0) {
+        throw new Error("project read actions cannot be combined with " + operation);
+      }
+      if (operation === "delete" && projectMutationFlags.some(flag =>
+        input[flag] !== undefined && input[flag] !== false
+      )) {
+        throw new Error("--delete cannot be combined with project mutation flags");
+      }
       // companion flags must be validated before an otherwise valid write.
       for (const flag of ["react", "emoji", "unreact"] as const) {
         if (input[flag] === "") throw new Error(flag + " must not be empty");
diff --git a/packages/cli/src/lib/argv.ts b/packages/cli/src/lib/argv.ts
new file mode 100644
index 0000000..440b9d7
--- /dev/null
+++ b/packages/cli/src/lib/argv.ts
@@ -0,0 +1,6 @@
+/** `issue` already names a procedure, so its flat batch sibling needs one routing token. */
+export function normalizeArgv(argv: string[]): string[] {
+  return argv[0] === "issue" && argv[1] === "batch"
+    ? ["issue batch", ...argv.slice(2)]
+    : argv;
+}
diff --git a/packages/cli/src/router/mode-preflight.test.ts b/packages/cli/src/router/mode-preflight.test.ts
new file mode 100644
index 0000000..665ed4a
--- /dev/null
+++ b/packages/cli/src/router/mode-preflight.test.ts
@@ -0,0 +1,180 @@
+import { expect, mock, test } from "bun:test";
+import { createCli, FailedToExitError } from "trpc-cli";
+import { t } from "./trpc";
+import { normalizeArgv } from "../lib/argv";
+
+const core = await import("@bdsqqq/lnr-core");
+const credentialMarker = "credential factory reached";
+const getClient = mock(() => { throw new Error(credentialMarker); });
+mock.module("@bdsqqq/lnr-core", () => ({ ...core, getClient }));
+mock.module("../lib/error", () => ({
+  handleApiError: (error: unknown) => { throw error; },
+  exitWithError: (message: string) => { throw new Error(message); },
+  EXIT_CODES: { GENERAL_ERROR: 1, NOT_FOUND: 3 },
+}));
+const issue = await import("../generated/issue");
+const project = await import("../generated/project");
+const doc = await import("../generated/doc");
+const label = await import("../generated/label");
+const router = t.mergeRouters(issue.generatedIssuesRouter, project.generatedProjectsRouter,
+  doc.generatedDocsRouter, label.generatedLabelsRouter);
+const caller = router.createCaller({});
+
+// Valid controls prove admission, not execution: the credential factory deliberately stops them.
+async function checkArgv(argv: string[], message: string, accesses: number) {
+  getClient.mockClear();
+  const errors: string[] = [];
+  const previous = process.exitCode;
+  try {
+    await expect(createCli({ router }).run({
+      argv: normalizeArgv(argv),
+      process: { exit(code): never {
+        throw new FailedToExitError("test exit", { exitCode: code, cause: undefined });
+      } },
+      logger: { info() {}, error: (...args) => { errors.push(args.map(String).join(" ")); } },
+    })).rejects.toMatchObject({ exitCode: 1 });
+    expect(errors.join("\n")).toContain(message);
+    expect(getClient).toHaveBeenCalledTimes(accesses);
+  } finally { process.exitCode = previous; }
+}
+const issueReads = ["branch", "open", "comments", "sub-issues"];
+const projectReads = ["issues", "updates", "labels", "show-status", "milestones", "links"];
+
+test("batch argv normalization preserves values and unrelated routes", () => {
+  expect(normalizeArgv(["issue", "batch", "ENG-1,ENG-2", "--label", "two words"]))
+    .toEqual(["issue batch", "ENG-1,ENG-2", "--label", "two words"]);
+  for (const argv of [
+    ["issue", "ENG-1", "--title", "batch"], ["issue", "--help"],
+    ["issue batch", "ENG-1", "--state", "Done"], ["oauth", "authorize"],
+  ]) expect(normalizeArgv(argv)).toEqual(argv);
+});
+
+test("show-only actions reject mutating modes before credentials", async () => {
+  for (const flag of issueReads) {
+    for (const [mode, args] of [
+      ["create", ["new", "--team", "ENG", "--title", "test"]],
+      ["update", ["ENG-1", "--title", "revised"]],
+      ["archive", ["ENG-1", "--archive"]],
+    ] as const) {
+      await checkArgv(["issue", ...args, "--" + flag],
+        "issue read actions cannot be combined with " + mode, 0);
+    }
+  }
+  for (const flag of projectReads) {
+    for (const [mode, args] of [
+      ["create", ["new", "--new-name", "test"]],
+      ["update", ["Apollo", "--description", "revised"]],
+      ["delete", ["Apollo", "--delete"]],
+    ] as const) {
+      await checkArgv(["project", ...args, "--" + flag],
+        "project read actions cannot be combined with " + mode, 0);
+    }
+  }
+});
+test("read-action pairs reject; every standalone action is admitted", async () => {
+  for (const [command, id, flags] of [
+    ["issue", "ENG-1", issueReads], ["project", "Apollo", projectReads],
+  ] as const) {
+    for (const [index, flag] of flags.entries()) {
+      await checkArgv([command, id, "--" + flag], credentialMarker, 1);
+      for (const other of flags.slice(index + 1)) {
+        await checkArgv([command, id, "--" + flag, "--" + other],
+          "only one " + command + " read action allowed", 0);
+      }
+    }
+  }
+});
+test("project deletion rejects active mutators, including zero and empty text", async () => {
+  for (const flags of [
+    ["--new-name", "renamed"], ["--description", ""], ["--content", ""],
+    ["--status", "started"], ["--start-date", "2026-10-01"],
+    ["--target-date", "2026-11-01"], ["--priority", "0"],
+    ["--lead", "@me"], ["--team", "ENG"],
+    ["--react", "U", "--emoji", "+1"], ["--unreact", "R"],
+    ["--subscribe"], ["--unsubscribe"],
+  ]) {
+    await checkArgv(["project", "Apollo", "--delete", ...flags],
+      "--delete cannot be combined with project mutation flags", 0);
+  }
+});
+test("doc/label creation rejects deletion; deletion rejects mutations", async () => {
+  await checkArgv(["doc", "new", "--title", "test", "--delete"],
+    "--delete requires an existing doc", 0);
+  await checkArgv(["label", "new", "--name", "test", "--team", "ENG", "--delete"],
+    "--delete requires an existing label", 0);
+  for (const flags of [["--title", "revised"], ["--content", ""]]) {
+    await checkArgv(["doc", "D", "--delete", ...flags],
+      "--delete cannot be combined with doc mutation flags", 0);
+  }
+  for (const flags of [
+    ["--name", "revised"], ["--color", "#ffffff"],
+    ["--description", ""], ["--group-type", "null"],
+  ]) {
+    await checkArgv(["label", "L", "--delete", ...flags],
+      "--delete cannot be combined with label mutation flags", 0);
+  }
+  for (const flags of [["--owner-id", "null"], ["--project", "Apollo"]]) {
+    await checkArgv(["doc", "D", "--delete", ...flags], "cannot be combined with --delete", 0);
+  }
+});
+test("batch rejects blank fields even with another effective update", async () => {
+  for (const flag of ["state", "assignee", "priority", "label"]) {
+    for (const value of ["", " ", "\t\n"]) {
+      const companion = flag === "priority" ? ["--state", "Done"] : ["--priority", "high"];
+      await checkArgv(["issue", "batch", "ENG-1,ENG-2", "--" + flag, value, ...companion],
+        "--" + flag + " must not be blank", 0);
+    }
+  }
+});
+test("supported writes, selectors and nonblank batch values reach credentials", async () => {
+  for (const argv of [
+    ["project", "Apollo", "--delete"], ["doc", "D", "--delete"], ["label", "L", "--delete"],
+    ["doc", "new", "--title", "test", "--content", "", "--project", "Apollo"],
+    ["label", "new", "--name", "test", "--team", "ENG"],
+    ["issue", "ENG-1", "--title", "", "--estimate", "0", "--archive"],
+    ["issue", "ENG-1", "--project", "Apollo", "--milestone", "launch"],
+    ["issue", "ENG-1", "--comment", "body", "--blocks", "ENG-2"],
+    ["issue", "ENG-1", "--subscribe", "--unsubscribe"],
+    ["issue", "new", "--team", "ENG", "--title", "test", "--blocks", "ENG-2",
+      "--blocked-by", "ENG-3", "--relates-to", "ENG-4",
+      "--pr", "https://github.com/example/repo/pull/1", "--priority-sort-order", "0"],
+    ["project", "Apollo", "--priority", "0", "--description", "",
+      "--react", "U", "--emoji", "+1", "--unreact", "R", "--subscribe", "--unsubscribe"],
+    ["issue", "batch", "ENG-1,ENG-2", "--priority", "0"],
+    ["issue", "batch", "ENG-1,ENG-2", "--priority", "none"],
+    ["issue", "batch", "ENG-1,ENG-2", "--state", "Done", "--assignee", "@me"],
+    ["issue", "batch", "ENG-1,ENG-2", "--label", "bug"],
+    ["issue", "batch", "ENG-1,ENG-2", "--label", "+bug"],
+  ]) await checkArgv(argv, credentialMarker, 1);
+});
+test("false action booleans remain inactive without suppressing false-valued data mutations", async () => {
+  for (const invoke of [
+    () => caller.issue({ idOrNew: "ENG-1", branch: true, open: false, comments: false,
+      subIssues: false, subscribe: false, unsubscribe: false }),
+    () => caller.issue({ idOrNew: "ENG-1", title: "revised", branch: false, open: false,
+      comments: false, subIssues: false }),
+    () => caller.project({ name: "Apollo", issues: true, updates: false, labels: false,
+      showStatus: false, milestones: false, links: false, subscribe: false, unsubscribe: false }),
+    () => caller.project({ name: "Apollo", delete: true, subscribe: false, unsubscribe: false,
+      issues: false, updates: false, labels: false, showStatus: false, milestones: false, links: false }),
+    () => caller.doc({ id: "new", title: "test", delete: false }),
+    () => caller.label({ id: "new", name: "test", team: "ENG", delete: false }),
+  ]) {
+    getClient.mockClear();
+    await expect(invoke()).rejects.toThrow(credentialMarker);
+    expect(getClient).toHaveBeenCalledTimes(1);
+  }
+  getClient.mockClear();
+  await expect(caller.issue({ idOrNew: "ENG-1", inheritsSharedAccess: false, comments: true }))
+    .rejects.toThrow("issue read actions cannot be combined with update");
+  expect(getClient).not.toHaveBeenCalled();
+});
+test("relative operation precedence remains; inactive subscription booleans do not select writes", () => {
+  expect(issue.inferOperation({ idOrNew: "ENG-1", archive: true, title: "revised" })).toBe("update");
+  expect(project.inferOperation({ name: "Apollo", delete: true, description: "revised" })).toBe("delete");
+  expect(doc.inferOperation({ id: "new", delete: true, title: "test" })).toBe("create");
+  expect(label.inferOperation({ id: "new", delete: true, name: "test" })).toBe("create");
+  expect(issue.inferOperation({ idOrNew: "ENG-1", subscribe: false, unsubscribe: false })).toBe("read");
+  expect(project.inferOperation({ name: "Apollo", subscribe: false, unsubscribe: false })).toBe("read");
+  expect(issue.inferOperation({ idOrNew: "ENG-1", inheritsSharedAccess: false })).toBe("update");
+});
diff --git a/packages/codegen/generate-commands.ts b/packages/codegen/generate-commands.ts
index 5e99855..73fd04f 100644
--- a/packages/codegen/generate-commands.ts
+++ b/packages/codegen/generate-commands.ts
@@ -335,7 +335,10 @@ export const issueMutationFlags: readonly (keyof IssueInput)[] = [
 export function inferOperation(input: IssueInput): Operation {
   if (input.idOrNew === "new") return "create";
 
-  const hasMutationFlags = issueMutationFlags.some(flag => input[flag] !== undefined);
+  const hasMutationFlags = issueMutationFlags.some(flag =>
+    input[flag] !== undefined &&
+    (!(flag === "subscribe" || flag === "unsubscribe") || input[flag] !== false)
+  );
 
   if (input.archive && hasMutationFlags) return "update";
   if (input.archive) return "archive";
@@ -377,6 +380,11 @@ type BatchUpdateInput = typeof batchUpdateInput.infer;`,
     })
     .input(batchUpdateInput)
     .mutation(async ({ input }) => {
+      for (const flag of ["state", "assignee", "priority", "label"] as const) {
+        if (input[flag] !== undefined && !input[flag].trim()) {
+          throw new Error("--" + flag + " must not be blank");
+        }
+      }
       await handleBatchUpdate(input);
     }),`,
 };
@@ -497,7 +505,8 @@ export function inferOperation(input: ProjectInput): Operation {
   if (input.delete) return "delete";
 
   for (const flag of projectMutationFlags) {
-    if (input[flag] !== undefined) return "update";
+    if (input[flag] !== undefined &&
+      (!(flag === "subscribe" || flag === "unsubscribe") || input[flag] !== false)) return "update";
   }
 
   return "read";
@@ -1058,6 +1067,14 @@ export const generated${TypeName}sRouter = router({
     .input(${config.singularCommand}Input)
     .mutation(async ({ input }) => {
       const operation = inferOperation(input);${config.singularCommand === "issue" ? `
+      const readActions = ["branch", "open", "comments", "subIssues"] as const;
+      const activeReadActions = readActions.filter(flag => input[flag] === true);
+      if (activeReadActions.length > 1) {
+        throw new Error("only one issue read action allowed per invocation");
+      }
+      if (operation !== "read" && activeReadActions.length > 0) {
+        throw new Error("issue read actions cannot be combined with " + operation);
+      }
       // reject ignored actions before handlers acquire credentials or create a resource.
       for (const flag of [
         "comment", "editComment", "replyTo", "deleteComment",
@@ -1086,6 +1103,19 @@ export const generated${TypeName}sRouter = router({
         }
       }
 ` : config.singularCommand === "project" ? `
+      const readActions = ["issues", "updates", "labels", "showStatus", "milestones", "links"] as const;
+      const activeReadActions = readActions.filter(flag => input[flag] === true);
+      if (activeReadActions.length > 1) {
+        throw new Error("only one project read action allowed per invocation");
+      }
+      if (operation !== "read" && activeReadActions.length > 0) {
+        throw new Error("project read actions cannot be combined with " + operation);
+      }
+      if (operation === "delete" && projectMutationFlags.some(flag =>
+        input[flag] !== undefined && input[flag] !== false
+      )) {
+        throw new Error("--delete cannot be combined with project mutation flags");
+      }
       // companion flags must be validated before an otherwise valid write.
       for (const flag of ["react", "emoji", "unreact"] as const) {
         if (input[flag] === "") throw new Error(flag + " must not be empty");
@@ -1102,6 +1132,15 @@ export const generated${TypeName}sRouter = router({
       )) {
         throw new Error("reaction, deletion and subscription actions require an existing project");
       }
+` : ["doc", "label"].includes(config.singularCommand) ? `
+      if (operation === "create" && input.delete === true) {
+        throw new Error("--delete requires an existing ${config.singularCommand}");
+      }
+      if (operation === "delete" && ${config.singularCommand}MutationFlags.some(flag =>
+        input[flag] !== undefined && input[flag] !== false
+      )) {
+        throw new Error("--delete cannot be combined with ${config.singularCommand} mutation flags");
+      }
 ` : ""}
 
       switch (operation) {