chore: Add PyPI package support for uvx/pip installation (#1764)

* Initial plan

* Add package structure and resource path utilities

- Created langbot/ package with __init__.py and __main__.py entry point
- Added paths utility to find frontend and resource files from package installation
- Updated config loading to use resource paths
- Updated frontend serving to use resource paths
- Added MANIFEST.in for package data inclusion
- Updated pyproject.toml with build system and entry points

Co-authored-by: RockChinQ <45992437+RockChinQ@users.noreply.github.com>

* Add PyPI publishing workflow and update license

- Created GitHub Actions workflow to build frontend and publish to PyPI
- Added license field to pyproject.toml to fix deprecation warning
- Updated .gitignore to exclude build artifacts
- Tested package building successfully

Co-authored-by: RockChinQ <45992437+RockChinQ@users.noreply.github.com>

* Add PyPI installation documentation

- Created PYPI_INSTALLATION.md with detailed installation and usage instructions
- Updated README.md to feature uvx/pip installation as recommended method
- Updated README_EN.md with same changes for English documentation

Co-authored-by: RockChinQ <45992437+RockChinQ@users.noreply.github.com>

* Address code review feedback

- Made package-data configuration more specific to langbot package only
- Improved path detection with caching to avoid repeated file I/O
- Removed sys.path searching which was incorrect for package data
- Removed interactive input() call for non-interactive environment compatibility
- Simplified error messages for version check

Co-authored-by: RockChinQ <45992437+RockChinQ@users.noreply.github.com>

* Fix code review issues

- Use specific exception types instead of bare except
- Fix misleading comments about directory levels
- Remove redundant existence check before makedirs with exist_ok=True
- Use context manager for file opening to ensure proper cleanup

Co-authored-by: RockChinQ <45992437+RockChinQ@users.noreply.github.com>

* Simplify package configuration and document behavioral differences

- Removed redundant package-data configuration, relying on MANIFEST.in
- Added documentation about behavioral differences between package and source installation
- Clarified that include-package-data=true uses MANIFEST.in for data files

Co-authored-by: RockChinQ <45992437+RockChinQ@users.noreply.github.com>

* chore: update pyproject.toml

* chore: try pack templates in langbot/

* chore: update

* chore: update

* chore: update

* chore: update

* chore: update

* chore: adjust dir structure

* chore: fix imports

* fix: read default-pipeline-config.json

* fix: read default-pipeline-config.json

* fix: tests

* ci: publish pypi

* chore: bump version 4.6.0-beta.1 for testing

* chore: add templates/**

* fix: send adapters and requesters icons

* chore: bump version 4.6.0b2 for testing

* chore: add platform field for docker-compose.yaml

---------

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: RockChinQ <45992437+RockChinQ@users.noreply.github.com>
Co-authored-by: Junyan Qin <rockchinq@gmail.com>

tests/unit_tests/pipeline/test_bansess.py

@@ -5,7 +5,6 @@ Tests the actual BanSessionCheckStage implementation from pkg.pipeline.bansess
 """
 
 import pytest
-from unittest.mock import Mock
 from importlib import import_module
 import langbot_plugin.api.entities.builtin.provider.session as provider_session
 
@@ -13,9 +12,8 @@ import langbot_plugin.api.entities.builtin.provider.session as provider_session
 def get_modules():
     """Lazy import to ensure proper initialization order"""
     # Import pipelinemgr first to trigger proper stage registration
-    pipelinemgr = import_module('pkg.pipeline.pipelinemgr')
-    bansess = import_module('pkg.pipeline.bansess.bansess')
-    entities = import_module('pkg.pipeline.entities')
+    bansess = import_module('langbot.pkg.pipeline.bansess.bansess')
+    entities = import_module('langbot.pkg.pipeline.entities')
     return bansess, entities
 
 
@@ -26,14 +24,7 @@ async def test_whitelist_allow(mock_app, sample_query):
 
     sample_query.launcher_type = provider_session.LauncherTypes.PERSON
     sample_query.launcher_id = '12345'
-    sample_query.pipeline_config = {
-        'trigger': {
-            'access-control': {
-                'mode': 'whitelist',
-                'whitelist': ['person_12345']
-            }
-        }
-    }
+    sample_query.pipeline_config = {'trigger': {'access-control': {'mode': 'whitelist', 'whitelist': ['person_12345']}}}
 
     stage = bansess.BanSessionCheckStage(mock_app)
     await stage.initialize(sample_query.pipeline_config)
@@ -51,14 +42,7 @@ async def test_whitelist_deny(mock_app, sample_query):
 
     sample_query.launcher_type = provider_session.LauncherTypes.PERSON
     sample_query.launcher_id = '99999'
-    sample_query.pipeline_config = {
-        'trigger': {
-            'access-control': {
-                'mode': 'whitelist',
-                'whitelist': ['person_12345']
-            }
-        }
-    }
+    sample_query.pipeline_config = {'trigger': {'access-control': {'mode': 'whitelist', 'whitelist': ['person_12345']}}}
 
     stage = bansess.BanSessionCheckStage(mock_app)
     await stage.initialize(sample_query.pipeline_config)
@@ -75,14 +59,7 @@ async def test_blacklist_allow(mock_app, sample_query):
 
     sample_query.launcher_type = provider_session.LauncherTypes.PERSON
     sample_query.launcher_id = '12345'
-    sample_query.pipeline_config = {
-        'trigger': {
-            'access-control': {
-                'mode': 'blacklist',
-                'blacklist': ['person_99999']
-            }
-        }
-    }
+    sample_query.pipeline_config = {'trigger': {'access-control': {'mode': 'blacklist', 'blacklist': ['person_99999']}}}
 
     stage = bansess.BanSessionCheckStage(mock_app)
     await stage.initialize(sample_query.pipeline_config)
@@ -99,14 +76,7 @@ async def test_blacklist_deny(mock_app, sample_query):
 
     sample_query.launcher_type = provider_session.LauncherTypes.PERSON
     sample_query.launcher_id = '12345'
-    sample_query.pipeline_config = {
-        'trigger': {
-            'access-control': {
-                'mode': 'blacklist',
-                'blacklist': ['person_12345']
-            }
-        }
-    }
+    sample_query.pipeline_config = {'trigger': {'access-control': {'mode': 'blacklist', 'blacklist': ['person_12345']}}}
 
     stage = bansess.BanSessionCheckStage(mock_app)
     await stage.initialize(sample_query.pipeline_config)
@@ -123,14 +93,7 @@ async def test_wildcard_group(mock_app, sample_query):
 
     sample_query.launcher_type = provider_session.LauncherTypes.GROUP
     sample_query.launcher_id = '12345'
-    sample_query.pipeline_config = {
-        'trigger': {
-            'access-control': {
-                'mode': 'whitelist',
-                'whitelist': ['group_*']
-            }
-        }
-    }
+    sample_query.pipeline_config = {'trigger': {'access-control': {'mode': 'whitelist', 'whitelist': ['group_*']}}}
 
     stage = bansess.BanSessionCheckStage(mock_app)
     await stage.initialize(sample_query.pipeline_config)
@@ -147,14 +110,7 @@ async def test_wildcard_person(mock_app, sample_query):
 
     sample_query.launcher_type = provider_session.LauncherTypes.PERSON
     sample_query.launcher_id = '12345'
-    sample_query.pipeline_config = {
-        'trigger': {
-            'access-control': {
-                'mode': 'whitelist',
-                'whitelist': ['person_*']
-            }
-        }
-    }
+    sample_query.pipeline_config = {'trigger': {'access-control': {'mode': 'whitelist', 'whitelist': ['person_*']}}}
 
     stage = bansess.BanSessionCheckStage(mock_app)
     await stage.initialize(sample_query.pipeline_config)
@@ -172,14 +128,7 @@ async def test_user_id_wildcard(mock_app, sample_query):
     sample_query.launcher_type = provider_session.LauncherTypes.PERSON
     sample_query.launcher_id = '12345'
     sample_query.sender_id = '67890'
-    sample_query.pipeline_config = {
-        'trigger': {
-            'access-control': {
-                'mode': 'whitelist',
-                'whitelist': ['*_67890']
-            }
-        }
-    }
+    sample_query.pipeline_config = {'trigger': {'access-control': {'mode': 'whitelist', 'whitelist': ['*_67890']}}}
 
     stage = bansess.BanSessionCheckStage(mock_app)
     await stage.initialize(sample_query.pipeline_config)