feat: show operation parameters in access requests

[alongubkin]

Summary

• preserve exact operation parameters in access-request plans
• allow the Kubernetes resource schema to retain nested parameter values
• verify the rendered customer-facing schema

Test plan

• cargo test -p alien-operator loops::access_requests
• cargo test -p alien-helm access_request_crd_is_white_labeled_from_the_brand_domain -- --nocapture
• cargo fmt -p alien-operator -p alien-helm -- --check

[greptile-apps]

Greptile Summary

This PR preserves operation parameters in access-request plans so customers can review the exact commands they are authorizing.

• Adds a required JSON-object parameter map to each operator access-request command.
• Extends the generated Kubernetes CRD to retain arbitrary nested parameter values.
• Verifies the rendered CRD enables unknown-field preservation for command parameters.

Confidence Score: 5/5

The PR appears safe to merge with no actionable correctness or security issues identified.

The command contract and generated CRD consistently represent parameters as JSON objects, and the schema preserves nested values without conflicting with the typed source.

Important Files Changed

Filename	Overview
crates/alien-operator/src/loops/access_requests.rs	Adds an object-typed parameter map to the access-request command contract; no in-repository construction or propagation defect was established.
crates/alien-helm/src/generator.rs	Extends the access-request CRD with an arbitrary nested-object parameter field and tests that unknown fields are preserved.

Sequence Diagram

sequenceDiagram
    participant CP as Control Plane
    participant OP as Operator
    participant K8s as Kubernetes API
    participant Customer
    CP->>OP: Access request with command params
    OP->>K8s: Materialize access-request CR
    K8s-->>Customer: Display exact command parameters
    Customer->>K8s: Approve for a bounded duration
    OP->>CP: Report approval window

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