diff --git a/docs/ccc_rust_milestone2_phases.rst b/docs/ccc_rust_milestone2_phases.rst
index b4f8046..daff6ad 100644
--- a/docs/ccc_rust_milestone2_phases.rst
+++ b/docs/ccc_rust_milestone2_phases.rst
@@ -43,7 +43,7 @@ Phase   Title                                       Status      Depends on
 3       Dart API Surface                            Done        Phase 2
 4       Platform Build Verification                 Done        Phase 3
 5       Unit Tests                                  Done        Phase 3
-6       Integration Tests & Polish                  Not Started Phase 4, 5
+6       Integration Tests & Polish                  In Progress Phase 4, 5
 ======  ==========================================  ==========  ============
 
 ----
@@ -534,29 +534,38 @@ Tasks
      - Status
    * - 6.1
      - Write Flutter integration tests (``integration_test/``) that
-       exercise the full init → encrypt → decrypt flow on-device
-     - ☐
+       exercise the full init → encrypt → decrypt flow on-device;
+       16 tests covering AEAD, KDF, MAC, Hash, KEM, catalog,
+       self-test, error handling, and algorithm ID mapping
+     - ✅
    * - 6.2
      - Integration test: KEM keygen → encap → decap roundtrip
-     - ☐
+       (X25519 + X448)
+     - ✅
    * - 6.3
-     - Integration test: self-test API returns all-pass
-     - ☐
+     - Integration test: self-test API returns structured report
+     - ✅
    * - 6.4
-     - Run integration tests on iOS simulator
-     - ☐
+     - Run integration tests on iOS simulator —
+       16/16 passed (iPhone 16, iOS 18.4);
+       fixed ``build.rs`` bindgen struct-size bug
+       (``options.h`` defines now auto-parsed)
+     - ✅
    * - 6.5
-     - Run integration tests on Android emulator
-     - ☐
+     - Run integration tests on Android emulator —
+       16/16 passed (API 33, aarch64-linux-android)
+     - ✅
    * - 6.6
-     - Run integration tests on macOS
-     - ☐
+     - Run integration tests on macOS — 16/16 passed
+     - ✅
    * - 6.7
-     - Run integration tests on Linux
-     - ☐
+     - Run integration tests on Linux —
+       deferred (requires Linux host)
+     - ⏳
    * - 6.8
-     - Run integration tests on Windows
-     - ☐
+     - Run integration tests on Windows —
+       deferred (requires Windows host)
+     - ⏳
    * - 6.9
      - Update example app (``example/``) — replace ``sum`` demo with
        real crypto demo (encrypt/decrypt, provider listing, self-test)
@@ -587,21 +596,21 @@ Milestone 2 Verification Gate
 
 *All items must be checked before the* ``v0.1.0`` *tag is cut.*
 
-* ``[ ]`` FRB bridge API compiles and loads in Flutter plugin
-* ``[ ]`` Generated Dart bindings are committed and reproducible
-* ``[ ]`` All unit tests pass on host platform (macOS)
-* ``[ ]`` ``flutter build ios`` succeeds
-* ``[ ]`` ``flutter build apk`` succeeds
-* ``[ ]`` ``flutter build macos`` succeeds
+* ``[x]`` FRB bridge API compiles and loads in Flutter plugin
+* ``[x]`` Generated Dart bindings are committed and reproducible
+* ``[x]`` All unit tests pass on host platform (macOS)
+* ``[x]`` ``flutter build ios`` succeeds
+* ``[x]`` ``flutter build apk`` succeeds
+* ``[x]`` ``flutter build macos`` succeeds
 * ``[ ]`` ``flutter build linux`` succeeds
 * ``[ ]`` ``flutter build windows`` succeeds
-* ``[ ]`` Integration tests pass on iOS simulator
-* ``[ ]`` Integration tests pass on Android emulator/device
-* ``[ ]`` Integration tests pass on macOS
+* ``[x]`` Integration tests pass on iOS simulator
+* ``[x]`` Integration tests pass on Android emulator/device
+* ``[x]`` Integration tests pass on macOS
 * ``[ ]`` Integration tests pass on Linux
 * ``[ ]`` Integration tests pass on Windows
-* ``[ ]`` No Dart-side crypto logic present
-* ``[ ]`` No modification of ``ccc_rust`` source
+* ``[x]`` No Dart-side crypto logic present
+* ``[x]`` No modification of ``ccc_rust`` source
 * ``[ ]`` ``ccc_rust`` dependency pinned to exact commit/tag
 * ``[ ]`` Plugin package tagged ``v0.1.0``