diff --git a/.bumpy/remove-patch-isolated.md b/.bumpy/remove-patch-isolated.md
new file mode 100644
index 0000000..b048387
--- /dev/null
+++ b/.bumpy/remove-patch-isolated.md
@@ -0,0 +1,5 @@
+---
+'@varlock/bumpy': minor
+---
+
+Removed `patch-isolated` bump type. The concept added complexity for minimal benefit — in most monorepos using `^` ranges, a patch bump already stays in range without triggering propagation. Users who need to prevent propagation can use per-package `dependencyBumpRules` config instead.
diff --git a/DIFFERENCES_FROM_CHANGESETS.md b/DIFFERENCES_FROM_CHANGESETS.md
index 165e7ca..3573488 100644
--- a/DIFFERENCES_FROM_CHANGESETS.md
+++ b/DIFFERENCES_FROM_CHANGESETS.md
@@ -21,7 +21,7 @@ Key differences from changesets:
 - Out-of-range peer dep bumps match the triggering bump level (not always major) — a minor bump on `core` → minor bump on `plugin`, not major
 - Dev deps never propagate by default (configurable per-package for bundled devDeps)
 - `cascadeTo` config for source-side "when I change, cascade to these packages"
-- Per-bump-file `none` and `patch-isolated` to suppress propagation on specific changes
+- Per-bump-file `none` to suppress propagation on specific changes
 - Warns about `^0.x` caret range gotchas and `workspace:*` on peer deps
 
 See [docs/version-propagation.md](docs/version-propagation.md) for the full algorithm.
diff --git a/docs/bump-files.md b/docs/bump-files.md
index 99f5df5..942c13e 100644
--- a/docs/bump-files.md
+++ b/docs/bump-files.md
@@ -22,13 +22,12 @@ Fixed locale fallback logic in utils.
 
 ### Bump levels
 
-| Level            | When to use                                                                                                                  |
-| ---------------- | ---------------------------------------------------------------------------------------------------------------------------- |
-| `major`          | Breaking changes                                                                                                             |
-| `minor`          | New features (backwards-compatible)                                                                                          |
-| `patch`          | Bug fixes, minor improvements                                                                                                |
-| `patch-isolated` | Like `patch`, but skips dependency propagation (Phase C). Useful for internal fixes that shouldn't trigger downstream bumps. |
-| `none`           | Suppresses a bump — used in cascades to exclude specific packages from propagation (advanced)                                |
+| Level   | When to use                                                                                   |
+| ------- | --------------------------------------------------------------------------------------------- |
+| `major` | Breaking changes                                                                              |
+| `minor` | New features (backwards-compatible)                                                           |
+| `patch` | Bug fixes, minor improvements                                                                 |
+| `none`  | Suppresses a bump — used in cascades to exclude specific packages from propagation (advanced) |
 
 ## File naming
 
diff --git a/docs/version-propagation.md b/docs/version-propagation.md
index aa66895..e8f2dd5 100644
--- a/docs/version-propagation.md
+++ b/docs/version-propagation.md
@@ -163,15 +163,6 @@ Unlike dependency bump rules (configured on the _dependent_), `cascadeTo` is con
 
 These are set directly in bump files for one-off control over a specific release.
 
-**`patch-isolated`** — bumps the package as a patch but skips all Phase C propagation from it (cascades and proactive bumps). If the bump would break a dependent's declared range, bumpy throws an error rather than silently propagating — you'll need to either widen the range, drop the `-isolated` flag, or explicitly bump the dependent in the bump file.
-
-```yaml
----
-'@myorg/utils': patch-isolated
----
-Internal refactor, no API changes.
-```
-
 **`none`** — suppresses a bump on a package that would otherwise be included via propagation. If skipping the bump would leave a dependent's range broken, bumpy throws an error.
 
 ```yaml
@@ -202,4 +193,4 @@ Compare with listing packages directly — these are treated as independent chan
 ---
 ```
 
-> **Note:** `patch-isolated`, `none`, and bump-file-level cascades are not available in the interactive `bumpy add` UI — they are power-user features for bump files and the `--packages` CLI flag.
+> **Note:** `none` and bump-file-level cascades are not available in the interactive `bumpy add` UI — they are power-user features for bump files and the `--packages` CLI flag.
diff --git a/llms.md b/llms.md
index 7a2674c..1124ce6 100644
--- a/llms.md
+++ b/llms.md
@@ -48,18 +48,7 @@ Bump files are markdown with YAML frontmatter, stored in `.bumpy/<name>.md`.
 Added new encryption provider for secrets management.
 ```
 
-### Isolated bumps (skip dependency propagation)
-
-```yaml
----
-'@myorg/utils': patch-isolated
----
-Internal refactor — no API changes, dependents don't need to bump.
-```
-
-Valid bump types: `major`, `minor`, `patch`, `patch-isolated`, `none`
-
-`patch-isolated` bumps as a patch but skips Phase C propagation. If the bump would break a dependent's range, bumpy throws an error.
+Valid bump types: `major`, `minor`, `patch`, `none`
 
 `none` suppresses a bump on a package that would otherwise be included via propagation. If skipping would leave a broken range, bumpy throws an error.
 
@@ -527,14 +516,7 @@ Both `workspace:` (pnpm, bun, yarn) and `catalog:` (pnpm, bun) protocols are res
 
 ### Internal packages that should never propagate bumps
 
-```yaml
----
-'@myorg/internal-utils': patch-isolated
----
-Refactored internal helpers.
-```
-
-Or permanently via config:
+Configure via per-package dependency bump rules:
 
 ```json
 // In root .bumpy/_config.json
@@ -693,7 +675,7 @@ This will:
 Key behavioral differences after migration:
 
 - Out-of-range peer dep bumps match the triggering bump level (not always major)
-- Use `patch-isolated` to skip Phase C propagation, or `none` to suppress a propagated bump
+- Use `none` to suppress a propagated bump
 - Per-package config moves to `package.json["bumpy"]` instead of root config only
 
 ## AI Integration
diff --git a/packages/bumpy/skills/add-change/SKILL.md b/packages/bumpy/skills/add-change/SKILL.md
index b62d4cb..c14bb89 100644
--- a/packages/bumpy/skills/add-change/SKILL.md
+++ b/packages/bumpy/skills/add-change/SKILL.md
@@ -43,12 +43,6 @@ For each affected package, choose the appropriate bump level:
 | **minor** | New features: added exports, new options, new functionality                             |
 | **patch** | Bug fixes, internal refactors, documentation, dependency updates                        |
 
-Use `patch-isolated` if the change is purely internal and dependents should NOT be bumped (skips Phase C propagation). If the bump would break a dependent's declared range, bumpy will throw an error. Use this for:
-
-- Internal refactors with no API changes
-- Dev tooling / test changes
-- Documentation-only changes
-
 Use `none` in a bump file to suppress a bump on a package that would otherwise be included via propagation. If skipping would leave a broken range, bumpy throws an error.
 
 ### 4. Write a clear summary
diff --git a/packages/bumpy/src/commands/add.ts b/packages/bumpy/src/commands/add.ts
index f8f25f9..b03accc 100644
--- a/packages/bumpy/src/commands/add.ts
+++ b/packages/bumpy/src/commands/add.ts
@@ -12,10 +12,10 @@ import { matchGlob } from '../core/config.ts';
 import { getChangedFiles } from '../core/git.ts';
 import { bumpSelectPrompt } from '../prompts/bump-select.ts';
 import type { BumpSelectItem } from '../prompts/bump-select.ts';
-import type { BumpType, BumpTypeWithIsolated, BumpFileRelease, BumpFileReleaseCascade } from '../types.ts';
+import type { BumpType, BumpTypeWithNone, BumpFileRelease, BumpFileReleaseCascade } from '../types.ts';
 
 interface AddOptions {
-  packages?: string; // "pkg-a:minor,pkg-b:patch-isolated"
+  packages?: string; // "pkg-a:minor,pkg-b:patch"
   message?: string;
   name?: string;
   empty?: boolean;
@@ -99,8 +99,8 @@ export async function addCommand(rootDir: string, opts: AddOptions): Promise<voi
     for (const { name, type: bumpType } of bumpSelections) {
       const release: BumpFileRelease = { name, type: bumpType };
 
-      // Offer cascade options if the package has dependents and bump is not isolated
-      if (!bumpType.endsWith('-isolated')) {
+      // Offer cascade options if the package has dependents
+      {
         const dependents = depGraph.getDependents(name);
         const pkg = pkgs.get(name)!;
         const cascadeTargets = pkg.bumpy?.cascadeTo;
@@ -212,6 +212,6 @@ function parsePackagesFlag(input: string): BumpFileRelease[] {
     if (!name || !type) {
       throw new Error(`Invalid package format: "${entry}". Expected "name:bumpType"`);
     }
-    return { name: name.trim(), type: type.trim() as BumpTypeWithIsolated };
+    return { name: name.trim(), type: type.trim() as BumpTypeWithNone };
   });
 }
diff --git a/packages/bumpy/src/commands/generate.ts b/packages/bumpy/src/commands/generate.ts
index ea57226..54d6c83 100644
--- a/packages/bumpy/src/commands/generate.ts
+++ b/packages/bumpy/src/commands/generate.ts
@@ -6,7 +6,7 @@ import { writeBumpFile } from '../core/bump-file.ts';
 import { getBumpyDir } from '../core/config.ts';
 import { ensureDir } from '../utils/fs.ts';
 import { slugify, randomName } from '../utils/names.ts';
-import type { BumpType, BumpTypeWithIsolated, BumpyConfig, BumpFileRelease, WorkspacePackage } from '../types.ts';
+import type { BumpType, BumpTypeWithNone, BumpyConfig, BumpFileRelease, WorkspacePackage } from '../types.ts';
 
 interface GenerateOptions {
   from?: string; // git ref to start from (default: auto-detect last version tag)
@@ -116,7 +116,7 @@ export async function generateCommand(rootDir: string, opts: GenerateOptions): P
   const summaryLines: string[] = [];
 
   for (const [name, info] of releaseMap) {
-    releases.push({ name, type: info.type as BumpTypeWithIsolated });
+    releases.push({ name, type: info.type as BumpTypeWithNone });
     for (const msg of info.messages) {
       summaryLines.push(`- ${name}: ${msg}`);
     }
diff --git a/packages/bumpy/src/commands/migrate.ts b/packages/bumpy/src/commands/migrate.ts
index e2586fd..f00c04e 100644
--- a/packages/bumpy/src/commands/migrate.ts
+++ b/packages/bumpy/src/commands/migrate.ts
@@ -7,7 +7,7 @@ import { getBumpyDir } from '../core/config.ts';
 import { writeBumpFile } from '../core/bump-file.ts';
 import { p, unwrap } from '../utils/clack.ts';
 import { initCommand } from './init.ts';
-import type { BumpFileRelease, BumpTypeWithIsolated } from '../types.ts';
+import type { BumpFileRelease, BumpTypeWithNone } from '../types.ts';
 
 interface MigrateOptions {
   force?: boolean;
@@ -94,7 +94,6 @@ export async function migrateCommand(rootDir: string, opts: MigrateOptions): Pro
   log.dim('Review .bumpy/_config.json and adjust settings as needed.');
   log.dim('Key differences from changesets:');
   log.dim('  - Out-of-range peer dep bumps match the triggering bump level (not always major)');
-  log.dim("  - Use 'patch-isolated' to skip Phase C propagation");
   log.dim("  - Use 'none' in a bump file to suppress a propagated bump");
   log.dim('  - Per-package config goes in package.json["bumpy"]');
 }
@@ -166,7 +165,7 @@ function parseChangesetFile(content: string): { releases: BumpFileRelease[]; sum
     if (type === 'none') continue;
 
     if (['major', 'minor', 'patch'].includes(type)) {
-      releases.push({ name, type: type as BumpTypeWithIsolated });
+      releases.push({ name, type: type as BumpTypeWithNone });
     }
   }
 
diff --git a/packages/bumpy/src/core/bump-file.ts b/packages/bumpy/src/core/bump-file.ts
index 42fca34..a1e570c 100644
--- a/packages/bumpy/src/core/bump-file.ts
+++ b/packages/bumpy/src/core/bump-file.ts
@@ -3,7 +3,7 @@ import yaml from 'js-yaml';
 import { readText, writeText, listFiles, removeFile } from '../utils/fs.ts';
 import { getBumpyDir } from './config.ts';
 import { tryRunArgs } from '../utils/shell.ts';
-import type { BumpFile, BumpFileRelease, BumpFileReleaseCascade, BumpType, BumpTypeWithIsolated } from '../types.ts';
+import type { BumpFile, BumpFileRelease, BumpFileReleaseCascade, BumpType, BumpTypeWithNone } from '../types.ts';
 
 /** Read all bump files from .bumpy/ directory, sorted by git creation order */
 export async function readBumpFiles(rootDir: string): Promise<BumpFile[]> {
@@ -83,10 +83,10 @@ export function parseBumpFile(content: string, id: string): BumpFile | null {
   for (const [name, value] of Object.entries(parsed)) {
     if (typeof value === 'string') {
       // Simple format: "pkg-name": minor
-      releases.push({ name, type: value as BumpTypeWithIsolated });
+      releases.push({ name, type: value as BumpTypeWithNone });
     } else if (value && typeof value === 'object') {
       // Nested format: "pkg-name": { bump: minor, cascade: { ... } }
-      const obj = value as { bump: BumpTypeWithIsolated; cascade?: Record<string, BumpType> };
+      const obj = value as { bump: BumpTypeWithNone; cascade?: Record<string, BumpType> };
       const release: BumpFileReleaseCascade = {
         name,
         type: obj.bump,
diff --git a/packages/bumpy/src/core/release-plan.ts b/packages/bumpy/src/core/release-plan.ts
index ec4de9d..6552596 100644
--- a/packages/bumpy/src/core/release-plan.ts
+++ b/packages/bumpy/src/core/release-plan.ts
@@ -13,13 +13,11 @@ import {
   DEFAULT_BUMP_RULES,
   bumpLevel,
   maxBump,
-  parseIsolatedBump,
   hasCascade,
 } from '../types.ts';
 
 interface PlannedBump {
   type: BumpType;
-  isolated: boolean;
   /** Explicit 'none' from bump file — suppresses propagation bumps */
   suppressed: boolean;
   isDependencyBump: boolean;
@@ -56,7 +54,7 @@ export function assembleReleasePlan(
   for (const bf of bumpFiles) {
     for (const release of bf.releases) {
       if (!packages.has(release.name)) continue;
-      const { bump, isolated } = parseIsolatedBump(release.type);
+      const bump = release.type;
 
       if (bump === 'none') {
         suppressedPackages.add(release.name);
@@ -66,13 +64,10 @@ export function assembleReleasePlan(
       const existing = planned.get(release.name);
       if (existing) {
         existing.type = maxBump(existing.type, bump);
-        // If ANY bump file is non-isolated, the package is non-isolated
-        if (!isolated) existing.isolated = false;
         existing.bumpFiles.add(bf.id);
       } else {
         planned.set(release.name, {
           type: bump,
-          isolated,
           suppressed: false,
           isDependencyBump: false,
           isCascadeBump: false,
@@ -101,7 +96,6 @@ export function assembleReleasePlan(
       // This prevents propagation from adding this package
       planned.set(name, {
         type: 'patch', // placeholder, won't be used
-        isolated: false,
         suppressed: true,
         isDependencyBump: false,
         isCascadeBump: false,
@@ -155,15 +149,6 @@ export function assembleReleasePlan(
           );
         }
 
-        // Check if isolated would break range
-        if (bump.isolated) {
-          throw new Error(
-            `'patch-isolated' bump for '${pkgName}' would break the range '${dep.versionRange}' ` +
-              `declared by '${dep.name}'. Either widen the range, drop '-isolated', ` +
-              `or explicitly bump '${dep.name}' in the bump file.`,
-          );
-        }
-
         // Warn about ^0.x peer dep propagation
         if (dep.depType === 'peerDependencies' && depBump !== 'patch') {
           // Resolve workspace:^ to ^<version> for checking
@@ -189,13 +174,11 @@ export function assembleReleasePlan(
     // Phase B: Enforce fixed/linked group constraints
     for (const group of config.fixed) {
       let groupBump: BumpType | undefined;
-      let groupIsolated = true;
       for (const nameOrGlob of group) {
         for (const [name, bump] of planned) {
           if (bump.suppressed) continue;
           if (matchGlob(name, nameOrGlob)) {
             groupBump = maxBump(groupBump, bump.type);
-            if (!bump.isolated) groupIsolated = false;
           }
         }
       }
@@ -209,13 +192,11 @@ export function assembleReleasePlan(
             const newType = maxBump(existing.type, groupBump);
             if (newType !== existing.type) {
               existing.type = newType;
-              existing.isolated = groupIsolated;
               changed = true;
             }
           } else {
             planned.set(name, {
               type: groupBump,
-              isolated: groupIsolated,
               suppressed: false,
               isDependencyBump: false,
               isCascadeBump: false,
@@ -257,7 +238,6 @@ export function assembleReleasePlan(
     if (config.updateInternalDependencies !== 'out-of-range') {
       for (const [pkgName, bump] of planned) {
         if (bump.suppressed) continue;
-        if (bump.isolated) continue;
 
         // Check minimum threshold for proactive propagation
         if (config.updateInternalDependencies === 'minor' && bumpLevel(bump.type) < bumpLevel('minor')) {
@@ -317,7 +297,6 @@ export function assembleReleasePlan(
       // Even in out-of-range mode, still apply bump file cascades and cascadeTo
       for (const [pkgName, bump] of planned) {
         if (bump.suppressed) continue;
-        if (bump.isolated) continue;
 
         // Bump-file-level cascade overrides always apply
         const bfOverrides = cascadeOverrides.get(pkgName);
@@ -440,7 +419,6 @@ function applyBump(
   }
   planned.set(name, {
     type,
-    isolated: false,
     suppressed: false,
     isDependencyBump,
     isCascadeBump,
diff --git a/packages/bumpy/src/prompts/bump-select.ts b/packages/bumpy/src/prompts/bump-select.ts
index 88ee645..2a7e590 100644
--- a/packages/bumpy/src/prompts/bump-select.ts
+++ b/packages/bumpy/src/prompts/bump-select.ts
@@ -1,8 +1,8 @@
 import * as readline from 'node:readline';
 import pc from 'picocolors';
-import type { BumpTypeWithIsolated } from '../types.ts';
+import type { BumpTypeWithNone } from '../types.ts';
 
-export type BumpLevel = BumpTypeWithIsolated | 'none';
+export type BumpLevel = BumpTypeWithNone | 'none';
 
 const LEVELS: BumpLevel[] = ['none', 'patch', 'minor', 'major'];
 
@@ -14,7 +14,7 @@ export interface BumpSelectItem {
 
 export interface BumpSelectResult {
   name: string;
-  type: BumpTypeWithIsolated;
+  type: BumpTypeWithNone;
 }
 
 /**
@@ -139,7 +139,7 @@ export async function bumpSelectPrompt(items: BumpSelectItem[]): Promise<BumpSel
         const results: BumpSelectResult[] = [];
         for (let i = 0; i < items.length; i++) {
           if (levels[i] !== 'none') {
-            results.push({ name: items[i]!.name, type: levels[i] as BumpTypeWithIsolated });
+            results.push({ name: items[i]!.name, type: levels[i] as BumpTypeWithNone });
           }
         }
         finish(results);
diff --git a/packages/bumpy/src/types.ts b/packages/bumpy/src/types.ts
index 973b6a0..ddd054b 100644
--- a/packages/bumpy/src/types.ts
+++ b/packages/bumpy/src/types.ts
@@ -1,7 +1,7 @@
 // ---- Bump types ----
 
 export type BumpType = 'major' | 'minor' | 'patch';
-export type BumpTypeWithIsolated = BumpType | 'patch-isolated' | 'none';
+export type BumpTypeWithNone = BumpType | 'none';
 
 export const BUMP_LEVELS: Record<BumpType, number> = {
   patch: 0,
@@ -13,16 +13,6 @@ export function bumpLevel(type: BumpType): number {
   return BUMP_LEVELS[type];
 }
 
-export function parseIsolatedBump(type: BumpTypeWithIsolated): { bump: BumpType | 'none'; isolated: boolean } {
-  if (type === 'none') {
-    return { bump: 'none', isolated: false };
-  }
-  if (type.endsWith('-isolated')) {
-    return { bump: type.replace('-isolated', '') as BumpType, isolated: true };
-  }
-  return { bump: type as BumpType, isolated: false };
-}
-
 export function maxBump(a: BumpType | undefined, b: BumpType): BumpType {
   if (!a) return b;
   return bumpLevel(a) >= bumpLevel(b) ? a : b;
@@ -155,12 +145,12 @@ export const DEFAULT_CONFIG: BumpyConfig = {
 
 export interface BumpFileReleaseSimple {
   name: string;
-  type: BumpTypeWithIsolated;
+  type: BumpTypeWithNone;
 }
 
 export interface BumpFileReleaseCascade {
   name: string;
-  type: BumpTypeWithIsolated;
+  type: BumpTypeWithNone;
   cascade: Record<string, BumpType>; // glob pattern → bump type
 }
 
diff --git a/packages/bumpy/test/core/bump-file.test.ts b/packages/bumpy/test/core/bump-file.test.ts
index 9f47e8a..12f9ee1 100644
--- a/packages/bumpy/test/core/bump-file.test.ts
+++ b/packages/bumpy/test/core/bump-file.test.ts
@@ -21,17 +21,6 @@ Added a new feature to pkg-a
     expect(bf!.summary).toBe('Added a new feature to pkg-a');
   });
 
-  test('parses patch-isolated bump type', () => {
-    const content = `---
-"pkg-a": patch-isolated
----
-
-Internal change
-`;
-    const bf = parseBumpFile(content, 'test-bf');
-    expect(bf!.releases[0]!.type).toBe('patch-isolated');
-  });
-
   test('parses none bump type', () => {
     const content = `---
 "pkg-a": minor
diff --git a/packages/bumpy/test/core/release-plan.test.ts b/packages/bumpy/test/core/release-plan.test.ts
index 63ff79e..0abaa9f 100644
--- a/packages/bumpy/test/core/release-plan.test.ts
+++ b/packages/bumpy/test/core/release-plan.test.ts
@@ -183,25 +183,6 @@ describe('assembleReleasePlan', () => {
       expect(plan.warnings[0]).toContain('^0.2.0');
     });
 
-    test('Phase A runs even for patch-isolated bumps (but isolated blocks propagation → error)', () => {
-      const packages = new Map([
-        ['core', makePkg('core', '1.0.0')],
-        ['app', makePkg('app', '1.0.0', { dependencies: { core: '~1.0.0' } })],
-      ]);
-
-      // patch-isolated on core: 1.0.0 → 1.0.1, satisfies ~1.0.0 → no issue
-      const bumpFiles: BumpFile[] = [
-        { id: 'cs1', releases: [{ name: 'core', type: 'patch-isolated' }], summary: 'Internal' },
-      ];
-
-      const graph = new DependencyGraph(packages);
-      const plan = assembleReleasePlan(bumpFiles, packages, graph, makeConfig());
-
-      expect(plan.releases).toHaveLength(1);
-      expect(plan.releases[0]!.name).toBe('core');
-      expect(plan.releases[0]!.newVersion).toBe('1.0.1');
-    });
-
     test('skips propagation when version still satisfies range', () => {
       const packages = new Map([
         ['core', makePkg('core', '1.0.0')],
@@ -357,23 +338,6 @@ describe('assembleReleasePlan', () => {
       expect(appRelease.isDependencyBump).toBe(true);
     });
 
-    test('proactive propagation skipped for patch-isolated bumps', () => {
-      const packages = new Map([
-        ['core', makePkg('core', '1.0.0')],
-        ['app', makePkg('app', '2.0.0', { dependencies: { core: '^1.0.0' } })],
-      ]);
-
-      const bumpFiles: BumpFile[] = [
-        { id: 'cs1', releases: [{ name: 'core', type: 'patch-isolated' }], summary: 'Internal' },
-      ];
-
-      const graph = new DependencyGraph(packages);
-      const plan = assembleReleasePlan(bumpFiles, packages, graph, makeConfig({ updateInternalDependencies: 'patch' }));
-
-      expect(plan.releases).toHaveLength(1);
-      expect(plan.releases[0]!.name).toBe('core');
-    });
-
     test('peer dependency minor bump does NOT propagate by default (out-of-range mode, range satisfied)', () => {
       const packages = new Map([
         ['core', makePkg('core', '1.0.0')],
@@ -442,61 +406,6 @@ describe('assembleReleasePlan', () => {
     });
   });
 
-  // ---- patch-isolated behavior ----
-
-  describe('patch-isolated', () => {
-    test('patch-isolated skips Phase C propagation', () => {
-      const packages = new Map([
-        ['core', makePkg('core', '1.0.0')],
-        ['app', makePkg('app', '2.0.0', { dependencies: { core: '^1.0.0' } })],
-      ]);
-
-      const bumpFiles: BumpFile[] = [
-        { id: 'cs1', releases: [{ name: 'core', type: 'patch-isolated' }], summary: 'Internal' },
-      ];
-
-      const graph = new DependencyGraph(packages);
-      const plan = assembleReleasePlan(bumpFiles, packages, graph, makeConfig());
-
-      expect(plan.releases).toHaveLength(1);
-      expect(plan.releases[0]!.name).toBe('core');
-      expect(plan.releases[0]!.newVersion).toBe('1.0.1');
-    });
-
-    test('non-isolated bump file overrides isolated for same package', () => {
-      const packages = new Map([
-        ['core', makePkg('core', '1.0.0')],
-        ['app', makePkg('app', '2.0.0', { dependencies: { core: '^1.0.0' } })],
-      ]);
-
-      const bumpFiles: BumpFile[] = [
-        { id: 'cs1', releases: [{ name: 'core', type: 'patch-isolated' }], summary: 'Internal' },
-        { id: 'cs2', releases: [{ name: 'core', type: 'patch' }], summary: 'Fix' },
-      ];
-
-      const graph = new DependencyGraph(packages);
-      const plan = assembleReleasePlan(bumpFiles, packages, graph, makeConfig({ updateInternalDependencies: 'patch' }));
-
-      expect(plan.releases).toHaveLength(2); // core + app (no longer isolated)
-    });
-
-    test('patch-isolated that would break range throws error', () => {
-      const packages = new Map([
-        ['core', makePkg('core', '1.0.0')],
-        ['app', makePkg('app', '1.0.0', { dependencies: { core: '1.0.0' } })], // exact range
-      ]);
-
-      const bumpFiles: BumpFile[] = [
-        { id: 'cs1', releases: [{ name: 'core', type: 'patch-isolated' }], summary: 'Internal' },
-      ];
-
-      const graph = new DependencyGraph(packages);
-      expect(() => assembleReleasePlan(bumpFiles, packages, graph, makeConfig())).toThrow(
-        /patch-isolated.*break.*range/,
-      );
-    });
-  });
-
   // ---- none behavior ----
 
   describe('none suppression', () => {