diff --git a/.github/workflows/distribute-manual.yml b/.github/workflows/distribute-manual.yml
index 8c415f0f..b0341fbb 100644
--- a/.github/workflows/distribute-manual.yml
+++ b/.github/workflows/distribute-manual.yml
@@ -2,10 +2,16 @@ name: Distribute PushOk (manual)
 
 on:
   workflow_dispatch:
+    inputs:
+      app_ref:
+        description: "GitLab App branch (Optional)"
+        required: false
+        default: ""
 
 jobs:
   call-reusable:
     uses: ./.github/workflows/distribute-reusable.yml
     with:
       branch: ${{ github.ref_name }}
-    secrets: inherit
\ No newline at end of file
+      app_ref: ${{ inputs.app_ref }}
+    secrets: inherit
diff --git a/.github/workflows/distribute-reusable.yml b/.github/workflows/distribute-reusable.yml
index 85c3f1a4..229fd15f 100644
--- a/.github/workflows/distribute-reusable.yml
+++ b/.github/workflows/distribute-reusable.yml
@@ -6,6 +6,13 @@ on:
       branch:
         required: true
         type: string
+      app_ref:
+        required: false
+        type: string
+        default: ""
+    secrets:
+      GITLAB_TRIGGER_TOKEN:
+        required: true
 
 jobs:
   distribution:
@@ -16,16 +23,187 @@ jobs:
         with:
           ref: ${{ inputs.branch }}
           submodules: recursive
+          fetch-depth: 3
 
       - name: Get last 3 commit messages
+        shell: bash
         run: |
-          commits=$(git log -3 --pretty=format:"%s")
-          echo "commits=$commits" >> $GITHUB_ENV 
+          set -euo pipefail
+          commits="$(git log -3 --pretty=format:"%s")"
+          echo "commits<<EOF" >> "$GITHUB_ENV"
+          echo "$commits"     >> "$GITHUB_ENV"
+          echo "EOF"          >> "$GITHUB_ENV"
 
-      - name: Trigger build & send to FAD
+      - name: Debug payload that will be sent to GitLab
+        shell: bash
+        env:
+          SOURCE_BRANCH: ${{ inputs.branch }}
+          APP_REF_OVERRIDE: ${{ inputs.app_ref }}
+          DEFAULT_APP_REF: develop
+          INPUT_COMMITS: ${{ env.commits }}
         run: |
-          curl --location 'https://mindbox.gitlab.yandexcloud.net/api/v4/projects/900/trigger/pipeline' \
-            --form 'token="${{ secrets.GITLAB_TRIGGER_TOKEN }}"' \
-            --form 'ref="develop"' \
-            --form "variables[INPUT_BRANCH]=\"${{ inputs.branch }}\"" \
-            --form "variables[INPUT_COMMITS]=\"${{ env.commits }}\""
+          set -euo pipefail
+
+          # Trim override so "   " becomes empty
+          APP_REF_OVERRIDE="$(printf '%s' "${APP_REF_OVERRIDE:-}" | xargs)"
+
+          echo "---- DEBUG (GitHub -> GitLab trigger payload) ----"
+          echo "SDK branch (INPUT_BRANCH): $SOURCE_BRANCH"
+          echo "Manual App ref override: ${APP_REF_OVERRIDE:-<empty>}"
+          echo "Default App ref: $DEFAULT_APP_REF"
+          echo ""
+          echo "RAW INPUT_COMMITS (cat -A):"
+          printf '%s' "${INPUT_COMMITS:-}" | cat -A
+          echo ""
+          echo "RAW INPUT_COMMITS (printf %q):"
+          printf '%q\n' "${INPUT_COMMITS:-}"
+          echo "--------------------------------------------------"
+
+      - name: Trigger build & send to FAD (override strict; else same->develop)
+        env:
+          GITLAB_HOST: mindbox.gitlab.yandexcloud.net
+          APP_PROJECT_ID: "900"
+          DEFAULT_APP_REF: develop
+
+          SOURCE_BRANCH: ${{ inputs.branch }}
+          APP_REF_OVERRIDE: ${{ inputs.app_ref }}
+
+          GITLAB_TRIGGER_TOKEN: ${{ secrets.GITLAB_TRIGGER_TOKEN }}
+          INPUT_COMMITS: ${{ env.commits }}
+        shell: bash
+        run: |
+          set -euo pipefail
+
+          # Trim override so "   " becomes empty
+          APP_REF_OVERRIDE="$(printf '%s' "${APP_REF_OVERRIDE:-}" | xargs)"
+
+          # Normalize commits:
+          # - convert CRLF -> LF
+          # - if commits accidentally contain literal "\n", expand them to real newlines
+          normalize_commits() {
+            local raw="${1:-}"
+            # CRLF -> LF
+            raw="$(printf '%s' "$raw" | tr -d '\r')"
+
+            # If it contains literal "\n" (backslash+n), expand escapes
+            if [[ "$raw" == *"\\n"* ]]; then
+              raw="$(printf '%b' "$raw")"
+            fi
+
+            printf '%s' "$raw"
+          }
+
+          COMMITS_TO_SEND="$(normalize_commits "${INPUT_COMMITS:-}")"
+
+          echo "SDK branch (INPUT_BRANCH): $SOURCE_BRANCH"
+          echo "Manual App ref override: ${APP_REF_OVERRIDE:-<empty>}"
+          echo "Default App ref: $DEFAULT_APP_REF"
+          echo ""
+          echo "COMMITS_TO_SEND preview (cat -A):"
+          printf '%s' "$COMMITS_TO_SEND" | cat -A
+          echo ""
+
+          trigger_pipeline() {
+            local ref="$1"
+            local tmp_body
+            tmp_body="$(mktemp)"
+
+            local code
+            code="$(curl -sS -o "$tmp_body" -w '%{http_code}' --location \
+              --retry 3 --retry-all-errors --retry-delay 2 \
+              "https://${GITLAB_HOST}/api/v4/projects/${APP_PROJECT_ID}/trigger/pipeline" \
+              --form "token=${GITLAB_TRIGGER_TOKEN}" \
+              --form "ref=${ref}" \
+              --form "variables[INPUT_BRANCH]=${SOURCE_BRANCH}" \
+              --form "variables[INPUT_COMMITS]=${COMMITS_TO_SEND}")"
+
+            local body
+            body="$(cat "$tmp_body" 2>/dev/null || true)"
+            rm -f "$tmp_body"
+
+            echo "Trigger HTTP: $code (ref=$ref)"
+            echo "Response body:"
+            echo "$body"
+
+            if [[ "$code" == "200" || "$code" == "201" ]]; then
+              local web_url
+              web_url="$(
+                printf '%s\n' "$body" |
+                grep -o '"web_url":"[^"]*"' |
+                head -n 1 |
+                cut -d'"' -f4
+              )"
+              if [[ -n "${web_url:-}" ]]; then
+                echo "Pipeline URL: $web_url"
+              fi
+              return 0
+            fi
+
+            if [[ "$code" == "401" || "$code" == "403" ]]; then
+              echo "Auth error (HTTP $code). Check that GITLAB_TRIGGER_TOKEN is valid and has access to project ${APP_PROJECT_ID}."
+              return 1
+            fi
+
+            # Missing ref: GitLab returns 400 + "Reference not found"
+            if [[ "$code" == "400" || "$code" == "404" ]]; then
+              if [[ "$body" == *"Reference not found"* ]]; then
+                return 2
+              fi
+
+              echo "Got HTTP $code but it's NOT 'Reference not found'."
+              echo "This can happen if pipelines are blocked for triggers by workflow:rules or job rules when CI_PIPELINE_SOURCE == 'trigger'."
+              echo "Check the target repo .gitlab-ci.yml rules/workflow:rules."
+              return 1
+            fi
+
+            if [[ "$code" =~ ^5[0-9][0-9]$ ]]; then
+              echo "Server error (HTTP $code). GitLab/proxy might be temporarily unavailable."
+              return 1
+            fi
+
+            echo "Unexpected HTTP status: $code"
+            return 1
+          }
+
+          # If override is provided: try ONLY override; if missing ref -> fail
+          if [[ -n "$APP_REF_OVERRIDE" ]]; then
+            echo "Override provided -> trying ONLY App ref: $APP_REF_OVERRIDE"
+            trigger_pipeline "$APP_REF_OVERRIDE" || rc=$?
+            rc="${rc:-0}"
+
+            if [[ "$rc" == "0" ]]; then
+              echo "Triggered on override ref."
+              exit 0
+            fi
+
+            if [[ "$rc" == "2" ]]; then
+              echo "ERROR: App ref not found: $APP_REF_OVERRIDE (GitLab returned 'Reference not found')"
+              exit 1
+            fi
+
+            echo "Trigger failed for reasons other than missing ref."
+            exit 1
+          fi
+
+          # No override: same branch -> fallback develop
+          desired_ref="$SOURCE_BRANCH"
+          fallback_ref="$DEFAULT_APP_REF"
+
+          echo "No override -> trying App ref: $desired_ref"
+          trigger_pipeline "$desired_ref" || rc=$?
+          rc="${rc:-0}"
+
+          if [[ "$rc" == "0" ]]; then
+            echo "Triggered on same branch."
+            exit 0
+          fi
+
+          if [[ "$rc" == "2" ]]; then
+            echo "Same branch not found. Falling back to: $fallback_ref"
+            trigger_pipeline "$fallback_ref"
+            echo "Triggered on fallback ref."
+            exit 0
+          fi
+
+          echo "Trigger failed for reasons other than missing ref."
+          exit 1