Mutation check done on all accepted tasks; mutant fixes; dump filter in proxy

- skip sy-subrc lines and CDS type lengths; CDS literal mutants; mutate helper classes
- proxy: sap_short_dumps shows only dumps of the current run
- 26/26 tasks pass; results in docs/faz1-tasarim.md 11g

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_014aUaQeLnwbb1zTpN7kHeat

tasks_gen/eval/G0017/mutation.json

@@ -0,0 +1,59 @@
+{
+ "task": "G0017",
+ "mutants": [
+  {
+   "object": "{{P}}I_PROJ_EFFORT",
+   "mutant": "line 5: inner join -> left outer join (join)",
+   "status": "survived",
+   "hidden": "8/8",
+   "failed_tests": []
+  },
+  {
+   "object": "{{P}}I_PROJ_EFFORT",
+   "mutant": "line 5: = -> <> (eq)",
+   "status": "killed",
+   "hidden": "1/8",
+   "failed_tests": [
+    "BUDGET_NOT_EXCEEDED",
+    "COST_OF_PROJECT_ONE",
+    "COUNT_OF_PROJECT_ONE",
+    "HOURS_OF_PROJECT_ONE",
+    "NO_ACTIVE_ASSIGNMENT",
+    "OVER_BUDGET_FLAG",
+    "ROW_COUNT"
+   ]
+  },
+  {
+   "object": "{{P}}I_PROJ_EFFORT",
+   "mutant": "line 10: sum( -> max( (agg)",
+   "status": "killed",
+   "hidden": "7/8",
+   "failed_tests": [
+    "HOURS_OF_PROJECT_ONE"
+   ]
+  },
+  {
+   "object": "{{P}}I_PROJ_EFFORT",
+   "mutant": "line 11: sum( -> max( (agg)",
+   "status": "killed",
+   "hidden": "7/8",
+   "failed_tests": [
+    "COST_OF_PROJECT_ONE"
+   ]
+  },
+  {
+   "object": "{{P}}I_PROJ_EFFORT",
+   "mutant": "line 13: > -> <= (rel)",
+   "status": "killed",
+   "hidden": "6/8",
+   "failed_tests": [
+    "BUDGET_NOT_EXCEEDED",
+    "OVER_BUDGET_FLAG"
+   ]
+  }
+ ],
+ "valid": 5,
+ "killed": 4,
+ "kill_rate": 0.8,
+ "ok": true
+}