diff --git a/eng/pipelines/post-publish-sdk.yaml b/eng/pipelines/post-publish-sdk.yaml
index fff2ca3770..5dbf71a92c 100644
--- a/eng/pipelines/post-publish-sdk.yaml
+++ b/eng/pipelines/post-publish-sdk.yaml
@@ -22,7 +22,7 @@ resources:
 jobs:
 - job: Generate_SDK
 
-  timeoutInMinutes: 60
+  timeoutInMinutes: 120
 
   variables:
   - template: /eng/pipelines/variables/globals.yml
diff --git a/eng/sdk/sync_sdk.py b/eng/sdk/sync_sdk.py
index 7346e11598..7030f0cae7 100644
--- a/eng/sdk/sync_sdk.py
+++ b/eng/sdk/sync_sdk.py
@@ -20,8 +20,6 @@
 skip_artifacts: List[str] = [
     "azure-ai-anomalydetector",  # deprecated
     # expect failure on below
-    "azure-ai-projects",  # wait for service dev update tsp-location.yaml
-    "azure-ai-agents-persistent", # tspconfig does not have java
     # "azure-developer-devcenter",  # 2 breaks introduced into stable api-version
     # "azure-ai-vision-face",  # SDK in development
 ]
diff --git a/typespec-extension/package-lock.json b/typespec-extension/package-lock.json
index bf874a41b5..32a88624f3 100644
--- a/typespec-extension/package-lock.json
+++ b/typespec-extension/package-lock.json
@@ -14,6 +14,7 @@
         "lodash": "~4.17.21"
       },
       "devDependencies": {
+        "@azure-tools/openai-typespec": "^1.6.1",
         "@azure-tools/typespec-autorest": "0.64.0",
         "@azure-tools/typespec-azure-core": "0.64.0",
         "@azure-tools/typespec-azure-resource-manager": "0.64.0",
@@ -53,6 +54,7 @@
         "node": ">=20.0.0"
       },
       "peerDependencies": {
+        "@azure-tools/openai-typespec": "^1.6.1",
         "@azure-tools/typespec-autorest": ">=0.64.0 <1.0.0",
         "@azure-tools/typespec-azure-core": ">=0.64.0 <1.0.0",
         "@azure-tools/typespec-azure-resource-manager": ">=0.64.0 <1.0.0",
@@ -144,6 +146,17 @@
         "node": ">=12.0.0"
       }
     },
+    "node_modules/@azure-tools/openai-typespec": {
+      "version": "1.6.1",
+      "resolved": "https://registry.npmjs.org/@azure-tools/openai-typespec/-/openai-typespec-1.6.1.tgz",
+      "integrity": "sha512-K9AhZYV3yQymgTBkGAguprHTgXwfojbZu4QnyHy1u0aDpMZmfWbYzex41a8blBTcLDc4wslfHpocIU2bAl7OTQ==",
+      "dev": true,
+      "license": "MIT",
+      "peerDependencies": {
+        "@typespec/http": "*",
+        "@typespec/openapi": "*"
+      }
+    },
     "node_modules/@azure-tools/tasks": {
       "version": "3.0.255",
       "resolved": "https://registry.npmjs.org/@azure-tools/tasks/-/tasks-3.0.255.tgz",
@@ -185,6 +198,7 @@
       "integrity": "sha512-BXiHc5oayhMsG1dHFU1aFK/ZQX2Gl0dKB0FAFceapaFV9093J2obbsdhIDR3Tl0qei9g3Ha+iWKZ4KgnLdhv4w==",
       "dev": true,
       "license": "MIT",
+      "peer": true,
       "engines": {
         "node": ">=20.0.0"
       },
@@ -200,6 +214,7 @@
       "integrity": "sha512-1HwGo3Nt8ksafoPp1rFOopSzgh68SFsyVNCauzjO8ftf0fEqhRXo70OaGwP6wmTZJsLnW7u1DbrBNu6b0z2sOQ==",
       "dev": true,
       "license": "MIT",
+      "peer": true,
       "dependencies": {
         "change-case": "~5.4.4",
         "pluralize": "^8.0.0"
@@ -238,6 +253,7 @@
       "integrity": "sha512-u1iWLergQmNG/0Wk3wVjCj/Q9cxUlxLGnLhd0hr3H1Wy1xvg7mLRaH+a62J//wvUZYBQsz1XGnm2QnksAzAdzg==",
       "dev": true,
       "license": "MIT",
+      "peer": true,
       "dependencies": {
         "change-case": "~5.4.4",
         "pluralize": "^8.0.0",
@@ -2467,6 +2483,7 @@
       "integrity": "sha512-powIePYMmC3ibL0UJ2i2s0WIbq6cg6UyVFQxSCpaPxxzAaziRfimGivjdF943sSGV6RADVbk0Nvlm5P/FB44Zg==",
       "dev": true,
       "license": "MIT",
+      "peer": true,
       "dependencies": {
         "undici-types": "~7.16.0"
       }
@@ -2536,6 +2553,7 @@
       "integrity": "sha512-npiaib8XzbjtzS2N4HlqPvlpxpmZ14FjSJrteZpPxGUaYPlvhzlzUZ4mZyABo0EFrOWnvyd0Xxroq//hKhtAWg==",
       "dev": true,
       "license": "MIT",
+      "peer": true,
       "dependencies": {
         "@typescript-eslint/scope-manager": "8.53.0",
         "@typescript-eslint/types": "8.53.0",
@@ -2766,6 +2784,7 @@
       "integrity": "sha512-FeLb7Q0z6Bh5dDpqtnU2RlWiIWWWF7rujx2xGMta5dcTuIOZ4jbdyz1hVdxk4iM4qadvaSV4ey/qrSuffNoh3w==",
       "dev": true,
       "license": "MIT",
+      "peer": true,
       "dependencies": {
         "@babel/code-frame": "~7.27.1",
         "@inquirer/prompts": "^8.0.1",
@@ -2987,6 +3006,7 @@
       "integrity": "sha512-gSI4rAexxfYyZX0ZqYNRWQyuMb1UeakjAjOeh/2ntmxWCdYc+wSbJjxrxIArsZC+LwzTxq5WpdtD7+7OWzG4yw==",
       "dev": true,
       "license": "MIT",
+      "peer": true,
       "engines": {
         "node": ">=20.0.0"
       },
@@ -3000,6 +3020,7 @@
       "integrity": "sha512-ZKa4RISabwL8cUAmE3BkoNmtCYRjerO0+1Ba6XdDJKG+vJC5EGM2hkDf+ZmYsYZgrX0cvbhPXUKKh28zBV60hw==",
       "dev": true,
       "license": "MIT",
+      "peer": true,
       "engines": {
         "node": ">=20.0.0"
       },
@@ -3019,6 +3040,7 @@
       "integrity": "sha512-v+RIJpx7vALBSGQmnUWemvXjnrk50HAVqJeg0RbaF3VUnh66Z4itsoNJJmIIc+HmBJng8Ie0V7xv3l02ek6HWA==",
       "dev": true,
       "license": "MIT",
+      "peer": true,
       "engines": {
         "node": ">=20.0.0"
       },
@@ -3033,6 +3055,7 @@
       "integrity": "sha512-1clnDw1JbBvjLcfFvEvHdIrnsQuQI5/Cl6mRIrzWWX0pKJ+R89rCdZD1KpidEXw4B4qscD48LsssyrEIFLtuPg==",
       "dev": true,
       "license": "MIT",
+      "peer": true,
       "engines": {
         "node": ">=20.0.0"
       },
@@ -3047,6 +3070,7 @@
       "integrity": "sha512-jPARl+e1e/nsDW/1uVsGTzvKmjqezVMyUa13igXxk5nV2ScMdFpH1HhBwTmAhUeaZgY3J81dFHNUnIY67HCrmw==",
       "dev": true,
       "license": "MIT",
+      "peer": true,
       "engines": {
         "node": ">=20.0.0"
       },
@@ -3063,6 +3087,7 @@
       "integrity": "sha512-wzh5bVdzh+K+pFQFs/EZkVsTH5TQGi12XwhjxJS0UKRwaW2UwSZeY1HqX07oMMPdYESTbjgMrXcxtn89AlzjvQ==",
       "dev": true,
       "license": "MIT",
+      "peer": true,
       "engines": {
         "node": ">=20.0.0"
       },
@@ -3249,6 +3274,7 @@
       "integrity": "sha512-I14X6+IMd0wFMNI8oMFSeFBi2nD4idub+geSO34vuCs4rwuEj3FNzy+rkNkDDvf0+gIUGxeyg7s+YDUcNyiqOA==",
       "dev": true,
       "license": "MIT",
+      "peer": true,
       "engines": {
         "node": ">=20.0.0"
       },
@@ -3262,6 +3288,7 @@
       "integrity": "sha512-KSDhJX6A/Onsu9FKVZtR/xSy5va3k0y9/U4eiZUn91V/LQyMZNwmResPDHEVYk6JqaIH8bbd6ANWPu3nMd7mmw==",
       "dev": true,
       "license": "MIT",
+      "peer": true,
       "engines": {
         "node": ">=20.0.0"
       },
@@ -3403,6 +3430,7 @@
       "integrity": "sha512-hRDjg6dlDz7JlZAvjbiCdAJ3SDG+NH8tjZe21vjxfvT2ssYAn72SRXMge3dKKABm3bIJ3C+3wdunIdur8PHEAw==",
       "dev": true,
       "license": "MIT",
+      "peer": true,
       "dependencies": {
         "@vitest/utils": "4.0.17",
         "fflate": "^0.8.2",
@@ -3456,6 +3484,7 @@
       "integrity": "sha512-NZyJarBfL7nWwIq+FDL6Zp/yHEhePMNnnJ0y3qfieCrmNvYct8uvtiV41UvlSe6apAfk0fY1FbWx+NwfmpvtTg==",
       "dev": true,
       "license": "MIT",
+      "peer": true,
       "bin": {
         "acorn": "bin/acorn"
       },
@@ -3478,6 +3507,7 @@
       "resolved": "https://registry.npmjs.org/ajv/-/ajv-8.17.1.tgz",
       "integrity": "sha512-B/gBuNg5SiMTrPkC+A2+cW0RszwxYmn6VYxB/inlBStS5nx6xHIt/ehKRhIMhqusl7a8LjQoZnjCs5vhwxOQ1g==",
       "dev": true,
+      "peer": true,
       "dependencies": {
         "fast-deep-equal": "^3.1.3",
         "fast-uri": "^3.0.1",
@@ -3793,6 +3823,7 @@
         }
       ],
       "license": "MIT",
+      "peer": true,
       "dependencies": {
         "baseline-browser-mapping": "^2.8.19",
         "caniuse-lite": "^1.0.30001751",
@@ -4228,9 +4259,9 @@
       }
     },
     "node_modules/diff": {
-      "version": "8.0.2",
-      "resolved": "https://registry.npmjs.org/diff/-/diff-8.0.2.tgz",
-      "integrity": "sha512-sSuxWU5j5SR9QQji/o2qMvqRNYRDOcBTgsJ/DeCf4iSN4gW+gNMXM7wFIP+fdXZxoNiAnHUTGjCr+TSWXdRDKg==",
+      "version": "8.0.3",
+      "resolved": "https://registry.npmjs.org/diff/-/diff-8.0.3.tgz",
+      "integrity": "sha512-qejHi7bcSD4hQAZE0tNAawRK1ZtafHDmMTMkrrIGgSLl7hTnQHmKCeB45xAcbfTqK2zowkM3j3bHt/4b/ARbYQ==",
       "dev": true,
       "license": "BSD-3-Clause",
       "engines": {
@@ -4545,6 +4576,7 @@
       "integrity": "sha512-LEyamqS7W5HB3ujJyvi0HQK/dtVINZvd5mAAp9eT5S/ujByGjiZLCzPcHVzuXbpJDJF/cxwHlfceVUDZ2lnSTw==",
       "dev": true,
       "license": "MIT",
+      "peer": true,
       "dependencies": {
         "@eslint-community/eslint-utils": "^4.8.0",
         "@eslint-community/regexpp": "^4.12.1",
@@ -7915,6 +7947,7 @@
       "integrity": "sha512-5gTmgEY/sqK6gFXLIsQNH19lWb4ebPDLA4SdLP7dsWkIXHWlG66oPuVvXSGFPppYZz8ZDZq0dYYrbHfBCVUb1Q==",
       "dev": true,
       "license": "MIT",
+      "peer": true,
       "engines": {
         "node": ">=12"
       },
@@ -8083,6 +8116,7 @@
       "integrity": "sha512-aw45vwtwOl3QkUAmWCnLV9QW1xY+FSX2zzlit4MAfE99wX+Jij4ycnpbAWgBXsRrxmfs9LaYktg/eX5Bpthd3g==",
       "dev": true,
       "license": "Apache-2.0",
+      "peer": true,
       "dependencies": {
         "@gerrit0/mini-shiki": "^3.9.0",
         "lunr": "^2.3.9",
@@ -8120,6 +8154,7 @@
       "integrity": "sha512-jl1vZzPDinLr9eUt3J/t7V6FgNEw9QjvBPdysz9KfQDD41fQrC2Y4vKQdiaUpFT4bXlb1RHhLpp8wtm6M5TgSw==",
       "dev": true,
       "license": "Apache-2.0",
+      "peer": true,
       "bin": {
         "tsc": "bin/tsc",
         "tsserver": "bin/tsserver"
@@ -8268,6 +8303,7 @@
       "integrity": "sha512-w+N7Hifpc3gRjZ63vYBXA56dvvRlNWRczTdmCBBa+CotUzAPf5b7YMdMR/8CQoeYE5LX3W4wj6RYTgonm1b9DA==",
       "dev": true,
       "license": "MIT",
+      "peer": true,
       "dependencies": {
         "esbuild": "^0.27.0",
         "fdir": "^6.5.0",
@@ -8361,6 +8397,7 @@
       "integrity": "sha512-5gTmgEY/sqK6gFXLIsQNH19lWb4ebPDLA4SdLP7dsWkIXHWlG66oPuVvXSGFPppYZz8ZDZq0dYYrbHfBCVUb1Q==",
       "dev": true,
       "license": "MIT",
+      "peer": true,
       "engines": {
         "node": ">=12"
       },
@@ -8374,6 +8411,7 @@
       "integrity": "sha512-FQMeF0DJdWY0iOnbv466n/0BudNdKj1l5jYgl5JVTwjSsZSlqyXFt/9+1sEyhR6CLowbZpV7O1sCHrzBhucKKg==",
       "dev": true,
       "license": "MIT",
+      "peer": true,
       "dependencies": {
         "@vitest/expect": "4.0.17",
         "@vitest/mocker": "4.0.17",
diff --git a/typespec-extension/package.json b/typespec-extension/package.json
index 71e944158b..d2a7db8957 100644
--- a/typespec-extension/package.json
+++ b/typespec-extension/package.json
@@ -53,6 +53,7 @@
     "@azure-tools/typespec-azure-rulesets": ">=0.64.0 <1.0.0",
     "@azure-tools/typespec-client-generator-core": ">=0.64.1 <1.0.0",
     "@azure-tools/typespec-liftr-base": ">=0.11.0 <1.0.0",
+    "@azure-tools/openai-typespec": "^1.6.1",
     "@typespec/compiler": "^1.8.0",
     "@typespec/http": "^1.8.0",
     "@typespec/openapi": "^1.8.0",
@@ -72,6 +73,7 @@
     "@azure-tools/typespec-azure-rulesets": "0.64.0",
     "@azure-tools/typespec-client-generator-core": "0.64.1",
     "@azure-tools/typespec-liftr-base": "0.11.0",
+    "@azure-tools/openai-typespec": "^1.6.1",
     "@microsoft/api-extractor": "^7.55.2",
     "@types/js-yaml": "~4.0.9",
     "@types/lodash": "~4.17.23",