Phase 3: Type Safety Hardening - bulk z.any() → z.unknown() migration

- 3.1: Replaced z.record(z.string(), z.any()) → z.record(z.string(), z.unknown()) across all .zod.ts files
- 3.2: Tightened id fields in data-engine.zod.ts to z.union([z.string(), z.number()])
- 3.3a: Updated kernel/plugin.zod.ts metadata/events records (service methods kept as z.any())
- 3.3b: Replaced z.promise(z.any()) and z.function().args(z.any()) in data/driver.zod.ts
- 3.3c: Replaced z.promise(z.any()) returns and z.record data patterns in data-engine.zod.ts
- 3.3d: Replaced payload, handler, filter, transform z.any() in kernel/events.zod.ts
- 3.3e: Replaced config-related z.any() in kernel/manifest.zod.ts
- 3.4: Replaced z.array(z.any()) in UI schemas (component, app, view)
- 3.5: Deprecated location field in ui/action.zod.ts with z.unknown()
- Also migrated standalone z.any() for data fields across ai/, api/, system/, automation/, shared/

Final counts: z.any()=62 (down from 394), z.unknown()=340
Remaining z.any() are legitimate: service methods, filter operators, lifecycle hooks
All 3073 tests pass, build succeeds

Co-authored-by: hotlong <50353452+hotlong@users.noreply.github.com>

Author: Copilot

packages/spec/json-schema/ai/ModelRegistry.json

@@ -320,7 +320,8 @@
                           "type": "string"
                         },
                         "enum": {
-                          "type": "array"
+                          "type": "array",
+                          "items": {}
                         }
                       },
                       "additionalProperties": false

packages/spec/json-schema/ai/PromptTemplate.json

@@ -70,7 +70,8 @@
                     "type": "string"
                   },
                   "enum": {
-                    "type": "array"
+                    "type": "array",
+                    "items": {}
                   }
                 },
                 "additionalProperties": false

packages/spec/json-schema/ai/PromptVariable.json

@@ -40,7 +40,8 @@
               "type": "string"
             },
             "enum": {
-              "type": "array"
+              "type": "array",
+              "items": {}
             }
           },
           "additionalProperties": false

packages/spec/json-schema/api/AnalyticsSqlResponse.json

@@ -67,7 +67,8 @@
               "type": "string"
             },
             "params": {
-              "type": "array"
+              "type": "array",
+              "items": {}
             }
           },
           "required": [

packages/spec/json-schema/api/ApiDiscoveryResponse.json

@@ -144,6 +144,7 @@
                                   },
                                   "enum": {
                                     "type": "array",
+                                    "items": {},
                                     "description": "Allowed values"
                                   },
                                   "default": {

packages/spec/json-schema/api/ApiEndpointRegistration.json

@@ -97,6 +97,7 @@
                       },
                       "enum": {
                         "type": "array",
+                        "items": {},
                         "description": "Allowed values"
                       },
                       "default": {

packages/spec/json-schema/api/ApiParameter.json

@@ -51,6 +51,7 @@
                 },
                 "enum": {
                   "type": "array",
+                  "items": {},
                   "description": "Allowed values"
                 },
                 "default": {

packages/spec/json-schema/api/ApiRegistry.json

@@ -159,6 +159,7 @@
                                   },
                                   "enum": {
                                     "type": "array",
+                                    "items": {},
                                     "description": "Allowed values"
                                   },
                                   "default": {
@@ -709,6 +710,7 @@
                                     },
                                     "enum": {
                                       "type": "array",
+                                      "items": {},
                                       "description": "Allowed values"
                                     },
                                     "default": {
@@ -1266,6 +1268,7 @@
                                     },
                                     "enum": {
                                       "type": "array",
+                                      "items": {},
                                       "description": "Allowed values"
                                     },
                                     "default": {

packages/spec/json-schema/api/ApiRegistryEntry.json

@@ -139,6 +139,7 @@
                             },
                             "enum": {
                               "type": "array",
+                              "items": {},
                               "description": "Allowed values"
                             },
                             "default": {

packages/spec/json-schema/api/AppDefinitionResponse.json

@@ -354,10 +354,12 @@
             },
             "objects": {
               "type": "array",
+              "items": {},
               "description": "Objects belonging to this app"
             },
             "apis": {
               "type": "array",
+              "items": {},
               "description": "Custom APIs belonging to this app"
             }
           },