feat: per-mission params, default config values, and mods bug docs

- Add per-mission params to rotation (MissionRotationItem.params); falls
  back to default_mission_params, then omits entirely if both empty
- Add key-value widget to ConfigEditor for default_mission_params field
- Add MissionParamsEditor component for editing param key/value/type rows
- Bump config schema to 1.1.0 with migration from 1.0.0
- Add normalize_section() to Protocol and ArmaConfigGenerator for
  read-time backfill of old stored rows
- Set Arma3 BasicConfig and ProfileConfig defaults from basic.cfg /
  Administrator.Arma3Profile
- Document 3 known Mods tab bugs in CLAUDE.md for next-session fix

backend/core/servers/missions_router.py

@@ -5,7 +5,7 @@ import logging
 from typing import Annotated
 
 from fastapi import APIRouter, Depends, HTTPException, UploadFile, File, status
-from pydantic import BaseModel
+from pydantic import BaseModel, Field
 from sqlalchemy.engine import Connection
 
 from adapters.exceptions import AdapterError
@@ -24,6 +24,7 @@ _MAX_UPLOAD_SIZE = 500 * 1024 * 1024  # 500 MB
 class MissionRotationEntry(BaseModel):
     name: str
     difficulty: str = ""
+    params: dict[str, int | float | str | bool] = Field(default_factory=dict)
 
 
 class MissionRotationUpdate(BaseModel):