feat(core): report scenario override outcomes

[92Infinitus92]

• Return a typed outcome for every scenario override.
• Report whether each override was applied or skipped, including the reason.
• Add outcome-aware time travel for pending overrides.
• Preserve RPC error classification and expose the new contract through the Node SDK.

Greptile Summary

The PR adds typed outcomes for scenario overrides and exposes outcome-aware registration and time travel through RPC and the Node SDK. It also makes schedule updates and persistent override materialization transactional.

• Reports whether each override was applied or skipped, with an explanatory reason.
• Adds outcome-aware time travel while retaining the existing time-travel endpoint.
• Batches replacement and cancellation mutations across supported storage backends.
• Atomically commits persistent account changes with removal of the corresponding scheduled override.
• Preserves invalid-parameter versus internal RPC error classification.

Confidence Score: 5/5

The PR appears safe to merge.

No blocking failure remains.

Important Files Changed

Filename	Overview
crates/core/src/surfnet/svm.rs	Adds staged override materialization, atomic schedule updates, outcome reporting, and retry-aware time-travel sequencing without leaving a blocking failure from the prior threads.
crates/core/src/storage/sqlite.rs	Implements transactional batch mutations and atomic account-update-plus-schedule-removal operations for SQLite.
crates/core/src/storage/postgres.rs	Implements transactional batch mutations and cross-table schedule removal for PostgreSQL.
crates/core/src/runloops/mod.rs	Routes confirmed clock updates through the outcome-aware time-travel operation and returns classified command errors.
crates/core/src/rpc/surfnet_cheatcodes.rs	Exposes typed override outcomes from scenario registration and the new outcome-aware time-travel RPC.
crates/types/src/scenarios.rs	Defines the typed override outcome contract used by core RPC behavior and SDK generation.
crates/sdk-node/surfpool-sdk/kit/types/api.ts	Exposes the updated outcome-bearing RPC contract through the Node SDK types.

Flowchart

%%{init: {'theme': 'neutral'}}%%
flowchart TD
    A[Time-travel request] --> B[Validate target slot]
    B --> C{Pending override strictly between current and target?}
    C -- Yes --> D[Return invalid-params error]
    C -- No --> E[Materialize current-slot overrides]
    E --> F{Target differs from current?}
    F -- Yes --> G[Confirm current block]
    G --> H[Materialize next-slot overrides]
    F -- No --> K[Apply target clock]
    H --> I{Target later than next slot?}
    I -- Yes --> J[Materialize target-slot overrides]
    I -- No --> K
    J --> K
    K --> L[Return epoch info and override outcomes]

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