diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 65cfdce..cc648e7 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -11,10 +11,8 @@ default:
   tags:
     - build
 
-variables:
-  UNSANDBOX_API_KEY: $UNSANDBOX_API_KEY
-  UNSANDBOX_PUBLIC_KEY: $UNSANDBOX_PUBLIC_KEY
-  UNSANDBOX_SECRET_KEY: $UNSANDBOX_SECRET_KEY
+# CI variables UNSANDBOX_PUBLIC_KEY, UNSANDBOX_SECRET_KEY, DEPLOY_KEY
+# are configured in GitLab Settings > CI/CD > Variables
 
 # ============================================================================
 # STAGE 1: Detect Changes
diff --git a/reports/4.2.0/perf.json b/reports/4.2.0/perf.json
deleted file mode 100644
index 3dd5dde..0000000
--- a/reports/4.2.0/perf.json
+++ /dev/null
@@ -1,398 +0,0 @@
-{
-    "tag": "4.2.0",
-    "generated_at": "2026-01-18T22:24:11Z",
-    "parent_pipeline_id": 11068,
-    "child_pipeline_id": 11070,
-    "summary": {
-        "total_tests": 638,
-        "passed_tests": 638,
-        "failed_tests": 0,
-        "total_languages": 42,
-        "passed_languages": 42,
-        "avg_duration_seconds": 67,
-        "max_duration_seconds": 111,
-        "min_duration_seconds": 21,
-        "slowest_language": "rust",
-        "fastest_language": "c"
-    },
-    "languages": [
-  {
-    "language": "rust",
-    "status": "Passed",
-    "queued_duration": 74.915318,
-    "started_at": "2026-01-18T22:22:08Z",
-    "updated_at": "2026-01-18T22:23:59Z",
-    "job_id": 25440,
-    "duration_seconds": 111
-  },
-  {
-    "language": "go",
-    "status": "Passed",
-    "queued_duration": 70.97155,
-    "started_at": "2026-01-18T22:22:04Z",
-    "updated_at": "2026-01-18T22:23:40Z",
-    "job_id": 25439,
-    "duration_seconds": 96
-  },
-  {
-    "language": "java",
-    "status": "Passed",
-    "queued_duration": 76.934917,
-    "started_at": "2026-01-18T22:22:10Z",
-    "updated_at": "2026-01-18T22:23:35Z",
-    "job_id": 25441,
-    "duration_seconds": 85
-  },
-  {
-    "language": "zig",
-    "status": "Passed",
-    "queued_duration": 79.717609,
-    "started_at": "2026-01-18T22:22:14Z",
-    "updated_at": "2026-01-18T22:23:34Z",
-    "job_id": 25446,
-    "duration_seconds": 80
-  },
-  {
-    "language": "javascript",
-    "status": "Passed",
-    "queued_duration": 2.504747,
-    "started_at": "2026-01-18T22:20:53Z",
-    "updated_at": "2026-01-18T22:22:11Z",
-    "job_id": 25417,
-    "duration_seconds": 78
-  },
-  {
-    "language": "typescript",
-    "status": "Passed",
-    "queued_duration": 3.318375,
-    "started_at": "2026-01-18T22:20:54Z",
-    "updated_at": "2026-01-18T22:22:11Z",
-    "job_id": 25418,
-    "duration_seconds": 77
-  },
-  {
-    "language": "python",
-    "status": "Passed",
-    "queued_duration": 2.068386,
-    "started_at": "2026-01-18T22:20:52Z",
-    "updated_at": "2026-01-18T22:22:09Z",
-    "job_id": 25416,
-    "duration_seconds": 77
-  },
-  {
-    "language": "julia",
-    "status": "Passed",
-    "queued_duration": 82.340743,
-    "started_at": "2026-01-18T22:22:17Z",
-    "updated_at": "2026-01-18T22:23:34Z",
-    "job_id": 25451,
-    "duration_seconds": 77
-  },
-  {
-    "language": "fortran",
-    "status": "Passed",
-    "queued_duration": 78.793043,
-    "started_at": "2026-01-18T22:22:13Z",
-    "updated_at": "2026-01-18T22:23:30Z",
-    "job_id": 25444,
-    "duration_seconds": 77
-  },
-  {
-    "language": "d",
-    "status": "Passed",
-    "queued_duration": 79.230808,
-    "started_at": "2026-01-18T22:22:13Z",
-    "updated_at": "2026-01-18T22:23:30Z",
-    "job_id": 25445,
-    "duration_seconds": 77
-  },
-  {
-    "language": "kotlin",
-    "status": "Passed",
-    "queued_duration": 77.927943,
-    "started_at": "2026-01-18T22:22:11Z",
-    "updated_at": "2026-01-18T22:23:26Z",
-    "job_id": 25442,
-    "duration_seconds": 75
-  },
-  {
-    "language": "perl",
-    "status": "Passed",
-    "queued_duration": 5.941842,
-    "started_at": "2026-01-18T22:20:57Z",
-    "updated_at": "2026-01-18T22:22:11Z",
-    "job_id": 25420,
-    "duration_seconds": 74
-  },
-  {
-    "language": "v",
-    "status": "Passed",
-    "queued_duration": 80.548912,
-    "started_at": "2026-01-18T22:22:15Z",
-    "updated_at": "2026-01-18T22:23:28Z",
-    "job_id": 25448,
-    "duration_seconds": 73
-  },
-  {
-    "language": "ruby",
-    "status": "Passed",
-    "queued_duration": 4.952049,
-    "started_at": "2026-01-18T22:20:56Z",
-    "updated_at": "2026-01-18T22:22:09Z",
-    "job_id": 25419,
-    "duration_seconds": 73
-  },
-  {
-    "language": "objc",
-    "status": "Passed",
-    "queued_duration": 81.006624,
-    "started_at": "2026-01-18T22:22:16Z",
-    "updated_at": "2026-01-18T22:23:28Z",
-    "job_id": 25449,
-    "duration_seconds": 72
-  },
-  {
-    "language": "dart",
-    "status": "Passed",
-    "queued_duration": 81.710327,
-    "started_at": "2026-01-18T22:22:17Z",
-    "updated_at": "2026-01-18T22:23:29Z",
-    "job_id": 25450,
-    "duration_seconds": 72
-  },
-  {
-    "language": "cobol",
-    "status": "Passed",
-    "queued_duration": 78.423649,
-    "started_at": "2026-01-18T22:22:12Z",
-    "updated_at": "2026-01-18T22:23:24Z",
-    "job_id": 25443,
-    "duration_seconds": 72
-  },
-  {
-    "language": "nim",
-    "status": "Passed",
-    "queued_duration": 80.1792,
-    "started_at": "2026-01-18T22:22:14Z",
-    "updated_at": "2026-01-18T22:23:24Z",
-    "job_id": 25447,
-    "duration_seconds": 70
-  },
-  {
-    "language": "csharp",
-    "status": "Passed",
-    "queued_duration": 84.733098,
-    "started_at": "2026-01-18T22:22:20Z",
-    "updated_at": "2026-01-18T22:23:30Z",
-    "job_id": 25455,
-    "duration_seconds": 70
-  },
-  {
-    "language": "r",
-    "status": "Passed",
-    "queued_duration": 11.896595,
-    "started_at": "2026-01-18T22:21:03Z",
-    "updated_at": "2026-01-18T22:22:11Z",
-    "job_id": 25424,
-    "duration_seconds": 68
-  },
-  {
-    "language": "prolog",
-    "status": "Passed",
-    "queued_duration": 85.134471,
-    "started_at": "2026-01-18T22:22:21Z",
-    "updated_at": "2026-01-18T22:23:28Z",
-    "job_id": 25456,
-    "duration_seconds": 67
-  },
-  {
-    "language": "haskell",
-    "status": "Passed",
-    "queued_duration": 83.057856,
-    "started_at": "2026-01-18T22:22:18Z",
-    "updated_at": "2026-01-18T22:23:25Z",
-    "job_id": 25452,
-    "duration_seconds": 67
-  },
-  {
-    "language": "lua",
-    "status": "Passed",
-    "queued_duration": 8.229337,
-    "started_at": "2026-01-18T22:20:59Z",
-    "updated_at": "2026-01-18T22:22:05Z",
-    "job_id": 25422,
-    "duration_seconds": 66
-  },
-  {
-    "language": "fsharp",
-    "status": "Passed",
-    "queued_duration": 84.348819,
-    "started_at": "2026-01-18T22:22:20Z",
-    "updated_at": "2026-01-18T22:23:26Z",
-    "job_id": 25454,
-    "duration_seconds": 66
-  },
-  {
-    "language": "forth",
-    "status": "Passed",
-    "queued_duration": 85.952677,
-    "started_at": "2026-01-18T22:22:22Z",
-    "updated_at": "2026-01-18T22:23:28Z",
-    "job_id": 25457,
-    "duration_seconds": 66
-  },
-  {
-    "language": "elixir",
-    "status": "Passed",
-    "queued_duration": 13.205493,
-    "started_at": "2026-01-18T22:21:05Z",
-    "updated_at": "2026-01-18T22:22:11Z",
-    "job_id": 25425,
-    "duration_seconds": 66
-  },
-  {
-    "language": "php",
-    "status": "Passed",
-    "queued_duration": 7.301252,
-    "started_at": "2026-01-18T22:20:58Z",
-    "updated_at": "2026-01-18T22:22:03Z",
-    "job_id": 25421,
-    "duration_seconds": 65
-  },
-  {
-    "language": "ocaml",
-    "status": "Passed",
-    "queued_duration": 83.645952,
-    "started_at": "2026-01-18T22:22:19Z",
-    "updated_at": "2026-01-18T22:23:24Z",
-    "job_id": 25453,
-    "duration_seconds": 65
-  },
-  {
-    "language": "bash",
-    "status": "Passed",
-    "queued_duration": 10.940676,
-    "started_at": "2026-01-18T22:21:02Z",
-    "updated_at": "2026-01-18T22:22:04Z",
-    "job_id": 25423,
-    "duration_seconds": 62
-  },
-  {
-    "language": "erlang",
-    "status": "Passed",
-    "queued_duration": 16.035973,
-    "started_at": "2026-01-18T22:21:08Z",
-    "updated_at": "2026-01-18T22:22:09Z",
-    "job_id": 25426,
-    "duration_seconds": 61
-  },
-  {
-    "language": "tcl",
-    "status": "Passed",
-    "queued_duration": 16.59354,
-    "started_at": "2026-01-18T22:21:08Z",
-    "updated_at": "2026-01-18T22:22:08Z",
-    "job_id": 25427,
-    "duration_seconds": 60
-  },
-  {
-    "language": "scheme",
-    "status": "Passed",
-    "queued_duration": 17.206237,
-    "started_at": "2026-01-18T22:21:09Z",
-    "updated_at": "2026-01-18T22:22:08Z",
-    "job_id": 25428,
-    "duration_seconds": 59
-  },
-  {
-    "language": "clojure",
-    "status": "Passed",
-    "queued_duration": 18.134084,
-    "started_at": "2026-01-18T22:21:10Z",
-    "updated_at": "2026-01-18T22:22:09Z",
-    "job_id": 25430,
-    "duration_seconds": 59
-  },
-  {
-    "language": "groovy",
-    "status": "Passed",
-    "queued_duration": 20.212597,
-    "started_at": "2026-01-18T22:21:13Z",
-    "updated_at": "2026-01-18T22:22:11Z",
-    "job_id": 25433,
-    "duration_seconds": 58
-  },
-  {
-    "language": "deno",
-    "status": "Passed",
-    "queued_duration": 20.856849,
-    "started_at": "2026-01-18T22:21:13Z",
-    "updated_at": "2026-01-18T22:22:10Z",
-    "job_id": 25434,
-    "duration_seconds": 57
-  },
-  {
-    "language": "commonlisp",
-    "status": "Passed",
-    "queued_duration": 18.780054,
-    "started_at": "2026-01-18T22:21:11Z",
-    "updated_at": "2026-01-18T22:22:08Z",
-    "job_id": 25431,
-    "duration_seconds": 57
-  },
-  {
-    "language": "raku",
-    "status": "Passed",
-    "queued_duration": 21.992286,
-    "started_at": "2026-01-18T22:21:15Z",
-    "updated_at": "2026-01-18T22:22:11Z",
-    "job_id": 25436,
-    "duration_seconds": 56
-  },
-  {
-    "language": "crystal",
-    "status": "Passed",
-    "queued_duration": 19.480833,
-    "started_at": "2026-01-18T22:21:12Z",
-    "updated_at": "2026-01-18T22:22:08Z",
-    "job_id": 25432,
-    "duration_seconds": 56
-  },
-  {
-    "language": "powershell",
-    "status": "Passed",
-    "queued_duration": 17.642808,
-    "started_at": "2026-01-18T22:21:09Z",
-    "updated_at": "2026-01-18T22:21:59Z",
-    "job_id": 25429,
-    "duration_seconds": 50
-  },
-  {
-    "language": "awk",
-    "status": "Passed",
-    "queued_duration": 23.542337,
-    "started_at": "2026-01-18T22:21:14Z",
-    "updated_at": "2026-01-18T22:22:00Z",
-    "job_id": 25435,
-    "duration_seconds": 46
-  },
-  {
-    "language": "cpp",
-    "status": "Passed",
-    "queued_duration": 67.212646,
-    "started_at": "2026-01-18T22:22:00Z",
-    "updated_at": "2026-01-18T22:22:37Z",
-    "job_id": 25438,
-    "duration_seconds": 37
-  },
-  {
-    "language": "c",
-    "status": "Passed",
-    "queued_duration": 66.636637,
-    "started_at": "2026-01-18T22:21:59Z",
-    "updated_at": "2026-01-18T22:22:20Z",
-    "job_id": 25437,
-    "duration_seconds": 21
-  }
-]
-}
diff --git a/reports/4.2.0/perf.md b/reports/4.2.0/perf.md
deleted file mode 100644
index 288e17f..0000000
--- a/reports/4.2.0/perf.md
+++ /dev/null
@@ -1,114 +0,0 @@
-# Performance Report: 4.2.0
-
-**Generated:** 2026-01-18T22:24:11Z
-**Pipeline:** [11070](https://git.unturf.com/engineering/unturf/un-inception/-/pipelines/11070)
-
-## Summary
-
-| Metric | Value |
-|--------|-------|
-| Total Tests | 638 |
-| Passed | 638 |
-| Failed | 0 |
-| Pass Rate | 100.0% |
-| Languages | 42 |
-| Avg Duration | 67s |
-| Slowest | rust (111s) |
-| Fastest | c (21s) |
-
-## Per-Language Performance
-
-| Language | Status | Duration | Tests |
-|----------|--------|----------|-------|
-| rust | Passed | 111s | - |
-| go | Passed | 96s | - |
-| java | Passed | 85s | - |
-| zig | Passed | 80s | - |
-| javascript | Passed | 78s | - |
-| typescript | Passed | 77s | - |
-| python | Passed | 77s | - |
-| julia | Passed | 77s | - |
-| fortran | Passed | 77s | - |
-| d | Passed | 77s | - |
-| kotlin | Passed | 75s | - |
-| perl | Passed | 74s | - |
-| v | Passed | 73s | - |
-| ruby | Passed | 73s | - |
-| objc | Passed | 72s | - |
-| dart | Passed | 72s | - |
-| cobol | Passed | 72s | - |
-| nim | Passed | 70s | - |
-| csharp | Passed | 70s | - |
-| r | Passed | 68s | - |
-| prolog | Passed | 67s | - |
-| haskell | Passed | 67s | - |
-| lua | Passed | 66s | - |
-| fsharp | Passed | 66s | - |
-| forth | Passed | 66s | - |
-| elixir | Passed | 66s | - |
-| php | Passed | 65s | - |
-| ocaml | Passed | 65s | - |
-| bash | Passed | 62s | - |
-| erlang | Passed | 61s | - |
-| tcl | Passed | 60s | - |
-| scheme | Passed | 59s | - |
-| clojure | Passed | 59s | - |
-| groovy | Passed | 58s | - |
-| deno | Passed | 57s | - |
-| commonlisp | Passed | 57s | - |
-| raku | Passed | 56s | - |
-| crystal | Passed | 56s | - |
-| powershell | Passed | 50s | - |
-| awk | Passed | 46s | - |
-| cpp | Passed | 37s | - |
-| c | Passed | 21s | - |
-
-## Timing Distribution
-
-```
-rust         111s ██████████████████████
-go            96s ███████████████████
-java          85s █████████████████
-zig           80s ████████████████
-javascript    78s ███████████████
-typescript    77s ███████████████
-python        77s ███████████████
-julia         77s ███████████████
-fortran       77s ███████████████
-d             77s ███████████████
-kotlin        75s ███████████████
-perl          74s ██████████████
-v             73s ██████████████
-ruby          73s ██████████████
-objc          72s ██████████████
-dart          72s ██████████████
-cobol         72s ██████████████
-nim           70s ██████████████
-csharp        70s ██████████████
-r             68s █████████████
-prolog        67s █████████████
-haskell       67s █████████████
-lua           66s █████████████
-fsharp        66s █████████████
-forth         66s █████████████
-elixir        66s █████████████
-php           65s █████████████
-ocaml         65s █████████████
-bash          62s ████████████
-erlang        61s ████████████
-tcl           60s ████████████
-scheme        59s ███████████
-clojure       59s ███████████
-groovy        58s ███████████
-deno          57s ███████████
-commonlisp    57s ███████████
-raku          56s ███████████
-crystal       56s ███████████
-powershell    50s ██████████
-awk           46s █████████
-cpp           37s ███████
-c             21s ████
-```
-
----
-*Report generated by `make perf-report`*
diff --git a/reports/PERFORMANCE-HISTORY.md b/reports/PERFORMANCE-HISTORY.md
deleted file mode 100644
index e85a415..0000000
--- a/reports/PERFORMANCE-HISTORY.md
+++ /dev/null
@@ -1,9 +0,0 @@
-# Performance History
-
-Tracking compile and test execution times across releases.
-
-## Releases
-
-| Version | Date | Tests | Pass Rate | Avg Duration | Slowest | Fastest |
-|---------|------|-------|-----------|--------------|---------|---------|
-| 4.2.0 | 2026-01-18 | 638 | 100.0% | 67s | rust | c |