[Server] Let a server say how long its answers stay fresh (#450)

Every cacheable result went out as ttlMs 0, private — the letter of
SEP-2549 and none of its point, with no way to change it. CachePolicy adds
a default and per-method overrides; a resource can override per read. The
conservative default stands, because public means a shared cache may serve
one caller's answer to another.
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Christopher Hertel 2026-08-18 23:53:16 +02:00 • committed by GitHub
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@ -1,7 +1,7 @@
parameters:
ignoreErrors:
-
message: '#^Method Mcp\\Schema\\Result\\ReadResourceResult\:\:jsonSerialize\(\) should return array\{contents\: array\<Mcp\\Schema\\Content\\BlobResourceContents\|Mcp\\Schema\\Content\\TextResourceContents\>\} but returns array\{contents\: array\<Mcp\\Schema\\Content\\ResourceContents\>\}\.$#'
message: '#^Method Mcp\\Schema\\Result\\ReadResourceResult\:\:jsonSerialize\(\) should return array\{contents\: array\<Mcp\\Schema\\Content\\BlobResourceContents\|Mcp\\Schema\\Content\\TextResourceContents\>, ttlMs\?\: int, cacheScope\?\: string\} but returns array\{contents\: array\<Mcp\\Schema\\Content\\ResourceContents\>, ttlMs\?\: int\<0, max\>, cacheScope\?\: ''private''\|''public''\}\.$#'
identifier: return.type
count: 1
path: src/Schema/Result/ReadResourceResult.php