diff --git a/.github/ISSUE_TEMPLATE/bug-report.yml b/.github/ISSUE_TEMPLATE/bug-report.yml
index be8dfc7..7674bea 100644
--- a/.github/ISSUE_TEMPLATE/bug-report.yml
+++ b/.github/ISSUE_TEMPLATE/bug-report.yml
@@ -18,6 +18,7 @@ body:
         - CLI
         - ACP
         - Both
+        - None
     validations:
       required: true
 
diff --git a/.github/ISSUE_TEMPLATE/feature-request.yml b/.github/ISSUE_TEMPLATE/feature-request.yml
index f5702ab..279c21d 100644
--- a/.github/ISSUE_TEMPLATE/feature-request.yml
+++ b/.github/ISSUE_TEMPLATE/feature-request.yml
@@ -18,6 +18,7 @@ body:
         - CLI
         - ACP
         - Both
+        - None
     validations:
       required: true
 
diff --git a/.github/workflows/build-and-upload.yml b/.github/workflows/build-and-upload.yml
index 74e6055..c49a9ae 100644
--- a/.github/workflows/build-and-upload.yml
+++ b/.github/workflows/build-and-upload.yml
@@ -127,3 +127,30 @@ jobs:
           files: release-assets/*.zip
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+  nix-build:
+    needs: configure
+    name: "Nix: ${{ matrix.os }}-${{ matrix.arch }}"
+    strategy:
+      matrix: ${{ fromJSON(needs.configure.outputs.matrix) }}
+    runs-on: ${{ matrix.runner }}
+    steps:
+      - name: Checkout repository
+        if: matrix.os != 'windows'
+        uses: actions/checkout@08eba0b27e820071cde6df949e0beb9ba4906955 # v4
+
+      - name: Install Nix
+        if: matrix.os != 'windows'
+        uses: cachix/install-nix-action@4e002c8ec80594ecd40e759629461e26c8abed15 # v31
+
+      - name: Build with Nix
+        if: matrix.os != 'windows'
+        shell: bash
+        run: |
+          nix build .#
+
+      - name: Nix Smoke Test
+        if: matrix.os != 'windows'
+        shell: bash
+        run: |
+          nix run .# -- --version
diff --git a/.github/workflows/issue-labeler.yml b/.github/workflows/issue-labeler.yml
new file mode 100644
index 0000000..c3a4b84
--- /dev/null
+++ b/.github/workflows/issue-labeler.yml
@@ -0,0 +1,61 @@
+name: Issue Labeler
+
+on:
+    issues:
+        types: [opened]
+
+jobs:
+    label-component:
+        runs-on: ubuntu-latest
+        permissions:
+            issues: write
+        steps:
+            - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5
+
+            - name: Parse bug report form
+              id: parse-bug
+              uses: stefanbuck/github-issue-parser@25f1485edffc1fee3ea68eb9f59a72e58720ffc4 # v3
+              with:
+                  template-path: .github/ISSUE_TEMPLATE/bug-report.yml
+              continue-on-error: true
+
+            - name: Parse feature request form
+              id: parse-feature
+              uses: stefanbuck/github-issue-parser@25f1485edffc1fee3ea68eb9f59a72e58720ffc4 # v3
+              with:
+                  template-path: .github/ISSUE_TEMPLATE/feature-request.yml
+              continue-on-error: true
+
+            - name: Apply component label
+              uses: actions/github-script@f28e40c7f34bde8b3046d885e986cb6290c5673b # v7
+              with:
+                  script: |
+                      // Get component from either bug report or feature request
+                      const bugComponent = '${{ steps.parse-bug.outputs.issueparser_component }}';
+                      const featureComponent = '${{ steps.parse-feature.outputs.issueparser_component }}';
+                      const component = bugComponent || featureComponent;
+
+                      if (!component) {
+                        console.log('No component field found, skipping labeling');
+                        return;
+                      }
+
+                      const labels = [];
+
+                      if (component === 'CLI') {
+                        labels.push('CLI');
+                      } else if (component === 'ACP') {
+                        labels.push('ACP');
+                      } else if (component === 'Both') {
+                        labels.push('CLI', 'ACP');
+                      }
+
+                      if (labels.length > 0) {
+                        await github.rest.issues.addLabels({
+                          owner: context.repo.owner,
+                          repo: context.repo.repo,
+                          issue_number: context.issue.number,
+                          labels: labels
+                        });
+                        console.log(`Added labels: ${labels.join(', ')}`);
+                      }
diff --git a/.vscode/launch.json b/.vscode/launch.json
index 0e3bc85..162d0ef 100644
--- a/.vscode/launch.json
+++ b/.vscode/launch.json
@@ -1,5 +1,5 @@
 {
-  "version": "1.3.0",
+  "version": "1.3.1",
   "configurations": [
     {
       "name": "ACP Server",
diff --git a/CHANGELOG.md b/CHANGELOG.md
index dcec783..a1ed39b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,13 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [1.3.1] - 2025-12-24
+
+### Fixed
+
+- Fix crash when continuing conversation
+- Fix Nix flake to not export python
+
 ## [1.3.0] - 2025-12-23
 
 ### Added
diff --git a/distribution/zed/extension.toml b/distribution/zed/extension.toml
index 8c05c55..1cbd0f0 100644
--- a/distribution/zed/extension.toml
+++ b/distribution/zed/extension.toml
@@ -1,7 +1,7 @@
 id = "mistral-vibe"
 name = "Mistral Vibe"
 description = "Mistral's open-source coding assistant"
-version = "1.3.0"
+version = "1.3.1"
 schema_version = 1
 authors = ["Mistral AI"]
 repository = "https://github.com/mistralai/mistral-vibe"
@@ -11,25 +11,25 @@ name = "Mistral Vibe"
 icon = "./icons/mistral_vibe.svg"
 
 [agent_servers.mistral-vibe.targets.darwin-aarch64]
-archive = "https://github.com/mistralai/mistral-vibe/releases/download/v1.3.0/vibe-acp-darwin-aarch64-1.3.0.zip"
+archive = "https://github.com/mistralai/mistral-vibe/releases/download/v1.3.1/vibe-acp-darwin-aarch64-1.3.1.zip"
 cmd = "./vibe-acp"
 
 [agent_servers.mistral-vibe.targets.darwin-x86_64]
-archive = "https://github.com/mistralai/mistral-vibe/releases/download/v1.3.0/vibe-acp-darwin-x86_64-1.3.0.zip"
+archive = "https://github.com/mistralai/mistral-vibe/releases/download/v1.3.1/vibe-acp-darwin-x86_64-1.3.1.zip"
 cmd = "./vibe-acp"
 
 [agent_servers.mistral-vibe.targets.linux-aarch64]
-archive = "https://github.com/mistralai/mistral-vibe/releases/download/v1.3.0/vibe-acp-linux-aarch64-1.3.0.zip"
+archive = "https://github.com/mistralai/mistral-vibe/releases/download/v1.3.1/vibe-acp-linux-aarch64-1.3.1.zip"
 cmd = "./vibe-acp"
 
 [agent_servers.mistral-vibe.targets.linux-x86_64]
-archive = "https://github.com/mistralai/mistral-vibe/releases/download/v1.3.0/vibe-acp-linux-x86_64-1.3.0.zip"
+archive = "https://github.com/mistralai/mistral-vibe/releases/download/v1.3.1/vibe-acp-linux-x86_64-1.3.1.zip"
 cmd = "./vibe-acp"
 
 [agent_servers.mistral-vibe.targets.windows-aarch64]
-archive = "https://github.com/mistralai/mistral-vibe/releases/download/v1.3.0/vibe-acp-windows-aarch64-1.3.0.zip"
+archive = "https://github.com/mistralai/mistral-vibe/releases/download/v1.3.1/vibe-acp-windows-aarch64-1.3.1.zip"
 cmd = "./vibe-acp.exe"
 
 [agent_servers.mistral-vibe.targets.windows-x86_64]
-archive = "https://github.com/mistralai/mistral-vibe/releases/download/v1.3.0/vibe-acp-windows-x86_64-1.3.0.zip"
+archive = "https://github.com/mistralai/mistral-vibe/releases/download/v1.3.1/vibe-acp-windows-x86_64-1.3.1.zip"
 cmd = "./vibe-acp.exe"
diff --git a/flake.lock b/flake.lock
index 6e55053..cc4667e 100644
--- a/flake.lock
+++ b/flake.lock
@@ -20,11 +20,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1765472234,
-        "narHash": "sha256-9VvC20PJPsleGMewwcWYKGzDIyjckEz8uWmT0vCDYK0=",
+        "lastModified": 1766309749,
+        "narHash": "sha256-3xY8CZ4rSnQ0NqGhMKAy5vgC+2IVK0NoVEzDoOh4DA4=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "2fbfb1d73d239d2402a8fe03963e37aab15abe8b",
+        "rev": "a6531044f6d0bef691ea18d4d4ce44d0daa6e816",
         "type": "github"
       },
       "original": {
@@ -114,11 +114,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1765631794,
-        "narHash": "sha256-90d//IZ4GXipNsngO4sb2SAPbIC/a2P+IAdAWOwpcOM=",
+        "lastModified": 1766021660,
+        "narHash": "sha256-UUfz7qWB1Rb2KjGVCimt//Jncv3TgJwffPqbzqpkmgY=",
         "owner": "pyproject-nix",
         "repo": "uv2nix",
-        "rev": "4cca323a547a1aaa9b94929c4901bed5343eafe8",
+        "rev": "19fa99be3409f55ec05e823c66c9769df7a8dd17",
         "type": "github"
       },
       "original": {
diff --git a/flake.nix b/flake.nix
index c070409..e784391 100644
--- a/flake.nix
+++ b/flake.nix
@@ -69,8 +69,13 @@
             pyprojectOverrides
           ]
         );
+      inherit (pkgs.callPackages pyproject-nix.build.util { }) mkApplication;
     in {
-      packages.default = pythonSet.mkVirtualEnv "mistralai-vibe-env" workspace.deps.default;
+
+      packages.default = mkApplication {
+        venv = pythonSet.mkVirtualEnv "mistralai-vibe-env" workspace.deps.default;
+        package = pythonSet.mistral-vibe;
+      };
 
       apps = {
         default = {
diff --git a/pyproject.toml b/pyproject.toml
index 5cd3769..38b0499 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "mistral-vibe"
-version = "1.3.0"
+version = "1.3.1"
 description = "Minimal CLI coding agent by Mistral"
 readme = "README.md"
 requires-python = ">=3.12"
diff --git a/tests/acp/test_initialize.py b/tests/acp/test_initialize.py
index fef3156..2fd3b6b 100644
--- a/tests/acp/test_initialize.py
+++ b/tests/acp/test_initialize.py
@@ -41,7 +41,7 @@ class TestACPInitialize:
             ),
         )
         assert response.agentInfo == Implementation(
-            name="@mistralai/mistral-vibe", title="Mistral Vibe", version="1.3.0"
+            name="@mistralai/mistral-vibe", title="Mistral Vibe", version="1.3.1"
         )
 
         assert response.authMethods == []
@@ -63,7 +63,7 @@ class TestACPInitialize:
             ),
         )
         assert response.agentInfo == Implementation(
-            name="@mistralai/mistral-vibe", title="Mistral Vibe", version="1.3.0"
+            name="@mistralai/mistral-vibe", title="Mistral Vibe", version="1.3.1"
         )
 
         assert response.authMethods is not None
diff --git a/uv.lock b/uv.lock
index 21f263b..571a87e 100644
--- a/uv.lock
+++ b/uv.lock
@@ -661,7 +661,7 @@ wheels = [
 
 [[package]]
 name = "mistral-vibe"
-version = "1.3.0"
+version = "1.3.1"
 source = { editable = "." }
 dependencies = [
     { name = "agent-client-protocol" },
diff --git a/vibe/__init__.py b/vibe/__init__.py
index a7048c9..f972a53 100644
--- a/vibe/__init__.py
+++ b/vibe/__init__.py
@@ -3,4 +3,4 @@ from __future__ import annotations
 from pathlib import Path
 
 VIBE_ROOT = Path(__file__).parent
-__version__ = "1.3.0"
+__version__ = "1.3.1"
diff --git a/vibe/cli/textual_ui/widgets/status_message.py b/vibe/cli/textual_ui/widgets/status_message.py
index fdf47f5..1d1fc83 100644
--- a/vibe/cli/textual_ui/widgets/status_message.py
+++ b/vibe/cli/textual_ui/widgets/status_message.py
@@ -17,6 +17,7 @@ class StatusMessage(SpinnerMixin, Static):
         self._initial_text = initial_text
         self._indicator_widget: Static | None = None
         self._text_widget: Static | None = None
+        self.success = True
         self.init_spinner()
         super().__init__(**kwargs)