fix: disable pylint no-member for SQLModel Relationship fields

Pylint 4.0.4 incorrectly reports that Relationship fields (which are
lists at runtime) don't have an 'append' member. This is a false
positive specific to SQLModel's typing.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Author: hf-kklein

.claude/settings.local.json

@@ -0,0 +1,24 @@
+{
+  "permissions": {
+    "allow": [
+      "WebFetch(domain:api.github.com)",
+      "Bash(git fetch:*)",
+      "Bash(git checkout:*)",
+      "Bash(git pull:*)",
+      "Skill(superpowers:brainstorming)",
+      "Bash(python -m pytest:*)",
+      "Bash(mkdir:*)",
+      "Bash(git add:*)",
+      "Bash(git commit:*)",
+      "Bash(git push:*)",
+      "Bash(git reset:*)",
+      "Bash(git revert:*)",
+      "Bash(git cherry-pick:*)",
+      "Bash(black:*)",
+      "Bash(isort:*)",
+      "Bash(tox:*)",
+      "Bash(git rm:*)",
+      "Bash(pylint:*)"
+    ]
+  }
+}

src/fundamend/sqlmodels/anwendungshandbuch.py

@@ -7,7 +7,7 @@
 
 from efoli import EdifactFormat, EdifactFormatVersion
 
-# pylint: disable=too-few-public-methods, duplicate-code, missing-function-docstring
+# pylint: disable=too-few-public-methods, duplicate-code, missing-function-docstring, no-member
 
 # the structures are similar, still we decided against inheritance, so there's naturally a little bit of duplication
 

src/fundamend/sqlmodels/messageimplementationguide.py

@@ -7,7 +7,7 @@
 
 from efoli import EdifactFormat, EdifactFormatVersion
 
-# pylint: disable=too-few-public-methods, duplicate-code, missing-function-docstring
+# pylint: disable=too-few-public-methods, duplicate-code, missing-function-docstring, no-member
 
 # the structures are similar to AHB, still we decided against inheritance,
 # so there's naturally a little bit of duplication