Description of problem:

When a PipelineRun explicitly sets the cache parameter to never, the resolver should bypass the cache and fetch the resource directly. However, if the bundleresolver-config has default-cache-mode set to always, the resolver continues to serve the resource from the cache.

Prerequisites (if any, like setup, operators/versions):

OSP 1.21

pipelines v1.6.0

Steps to Reproduce

• Update the TektonConfig to set the bundle resolver to always cache.

bundleresolver-config:
 data:
  default-cache-mode: always
  ttl: 2m

• Create a PipelineRun that explicitly attempts to bypass the cache using the cache: never.

 spec:
   pipelineRef:
     resolver: bundles
   params:
    name: cache
    value: never

• Observe the controller logs during execution.

Actual results:{}

{"severity":"info","timestamp":"2026-01-09T06:48:42.122Z","logger":"controller","caller":"cache/cache.go:96","message":"Cachehit","commit":"b69b57da43d37038b1447b346ad96a88b29d3ccb","knative.dev/traceid":"f3d44c02-d6e7-49c6-81f2-b500be1534c1","knative.dev/key":"test/bundles-645f1330c5d5a901be5c33a8b97a6045","key":"4a9a17f361970bb91cea8516394e45a7f960849255aea2939c89a856c4e60dcd"}

Expected results:

The controller should recognize the cache: never parameter as a high-priority override. It should fetch the bundle from the registry and either skip the cache check or force a refresh. Cache Miss should be logged for this request.

Reproducibility (Always/Intermittent/Only Once):

Always

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