self-host TCS compiler GIR and add portable host runtime

build/targets/TCS-HOST-MACOS-AARCH64.module.gir.json

@@ -0,0 +1,76 @@
+{
+  "authority_ceiling": {
+    "maximum": "CALLER_PROVIDED_EXACT_ROOT_AND_VALID_LEASE",
+    "network": false,
+    "process": false
+  },
+  "capabilities": {
+    "provided": [
+      "TCS.COMPILE",
+      "GIR.RUN"
+    ],
+    "required": [
+      "HOST.EXACT_ROOT_IO",
+      "HOST.SHA256",
+      "HOST.MONOTONIC_TIME"
+    ]
+  },
+  "compiled_from": {
+    "compiler_id": "TCS-COMPILER-STAGE1-0001",
+    "compiler_state": "TCS_COMPILER_GIR_EXECUTED",
+    "source_sha256": "0ade403f374bb94876b7d9f8b8295304369dac859f6ffed25ac91a191cfb49c3"
+  },
+  "data_scope": {
+    "read": [
+      "TCS_SOURCE",
+      "COMPILER_GIR",
+      "GIR_INPUT"
+    ],
+    "write": [
+      "CALLER_SCOPED_BUILD_AND_RECEIPT_ROOT"
+    ]
+  },
+  "entry": {
+    "id": "TCS-COMPILER-STAGE1-0001",
+    "kind": "COMPILER_GIR_RUNTIME"
+  },
+  "identity": {
+    "language_version": "0.1",
+    "module_id": "TCS-HOST-MACOS-AARCH64-0001"
+  },
+  "install": {
+    "account_scoped": true,
+    "activation_requires_self_test": true,
+    "registration_is_installation": false
+  },
+  "manifest": {
+    "display_name_zh": "TCS macOS 宿主运行核",
+    "entry_program_id": "TCS-COMPILER-STAGE1-0001",
+    "entry_source": "build/self-host/compiler-B.gir.json",
+    "module_id": "TCS-HOST-MACOS-AARCH64-0001",
+    "target_triple": "aarch64-apple-darwin"
+  },
+  "native_self_hosted": true,
+  "network_scope": {
+    "allowed": false,
+    "domains": []
+  },
+  "projection": {
+    "display_name_zh": "TCS macOS 宿主运行核",
+    "technical_detail_default": false
+  },
+  "resource_ceiling": {
+    "concurrency": 1,
+    "memory_limit_bytes": 268435456,
+    "timeout_ms": 30000
+  },
+  "rollback": {
+    "action": "RESTORE_PREVIOUS_HOST_RUNTIME",
+    "preserve_receipts": true
+  },
+  "schema": "guanghu.module-gir/v1",
+  "self_test": {
+    "expect": "EXECUTED_TARGET_READBACK_VERIFIED",
+    "program_id": "HLP-PROGRAM-ECHO-0001"
+  }
+}