Move Vally eval suite to repo-root azsdk-evals (#48095)

Co-authored-by: helen229 <gaoh@microsoft.com>

Author: azure-sdk-automation[bot]

eng/common/pipelines/live-eval.yml

@@ -25,7 +25,7 @@ extends:
     # Shared mock/live builder; select the live tier (real Cli MCP).
     mcpSetupTemplate: /eng/common/pipelines/templates/steps/eval-mcp-setup.yml
     TestType: live
-    vallyRoot: tools/azsdk-cli/Azure.Sdk.Tools.Vally
+    vallyRoot: azsdk-evals
     evalGlobs:
       - 'evals/workflow-scenarios/live/*.eval.yaml'
     # Run each shard under AzureCLI@2 so the real MCP's DevOps calls are authenticated.

eng/common/pipelines/workflow-eval.yml

@@ -1,13 +1,13 @@
 # Hermetic workflow-scenario eval CI: runs the unit-tool + mock workflow-scenario evals in
-# tools/azsdk-cli/Azure.Sdk.Tools.Vally against the mock MCP (live tier runs in live-eval.yml).
+# azsdk-evals against the mock MCP (live tier runs in live-eval.yml).
 
 trigger:
   branches:
     include:
       - main
   paths:
     include:
-      - tools/azsdk-cli/Azure.Sdk.Tools.Vally/**
+      - azsdk-evals/**
       - tools/azsdk-cli/Azure.Sdk.Tools.Mock/**
       # Cli tool catalog + skills feed the eval results, so changes here must retrigger.
       - tools/azsdk-cli/Azure.Sdk.Tools.Cli/**
@@ -25,7 +25,7 @@ pr:
       - main
   paths:
     include:
-      - tools/azsdk-cli/Azure.Sdk.Tools.Vally/**
+      - azsdk-evals/**
       - tools/azsdk-cli/Azure.Sdk.Tools.Mock/**
       - tools/azsdk-cli/Azure.Sdk.Tools.Cli/**
       - .github/skills/**
@@ -48,7 +48,7 @@ extends:
     # Shared mock/live builder; select the mock tier.
     mcpSetupTemplate: /eng/common/pipelines/templates/steps/eval-mcp-setup.yml
     TestType: mock
-    vallyRoot: tools/azsdk-cli/Azure.Sdk.Tools.Vally
+    vallyRoot: azsdk-evals
     # Per-shard job timeout (report-only tier).
     shardTimeoutInMinutes: 20
     # Pass-rate gate for `vally eval`. This tier is report-only (failOnFailedTests defaults false),

eng/common/scripts/allow-relative-links.txt

@@ -9,3 +9,5 @@
 AGENTS.md
 # Allow relative links for all files under the eng folder (e.g. engineering system scripts and templates).
 eng/**
+# Allow relative links for the top-level eval suite (azsdk-evals is a cross-cutting asset at repo root).
+azsdk-evals/**