feat(lsp): improve actions, navigation, and position handling

[bajrangCoder]

• advertise code action resolve support
• clamp LSP positions beyond document bounds
• support LocationLink and multiple navigation results
• add LSP operations to the selection menu
• fix navigation scrolling after switching files
• use shared position and location normalization helpers

[greptile-apps]

Greptile Summary

The PR expands LSP navigation and touch-menu actions while centralizing safe position and location normalization.

• Advertises lazy code-action edit resolution and resolves actions before execution.
• Supports multiple definition-family results and LocationLink responses through the references panel.
• Clamps server positions before applying diagnostics, edits, hints, colors, hover ranges, and navigation.
• Centralizes range revealing so explicit navigation wins over delayed viewport restoration.

Confidence Score: 5/5

The PR appears safe to merge with no concrete changed-code failures identified.

The navigation, position normalization, workspace-edit mapping, selection-menu capability checks, and delayed-scroll cancellation paths are internally consistent with the repository contracts examined.

Important Files Changed

Filename	Overview
src/cm/lsp/definition.ts	Adds multi-provider definition-family navigation with deduplication, direct navigation, and references-panel fallback.
src/cm/lsp/positionUtils.ts	Introduces bounded LSP-position conversion shared across editor features.
src/cm/lsp/codeActions.ts	Resolves lazy code actions and applies normalized, mapped workspace edits.
src/cm/lsp/rename.ts	Uses shared bounded position conversion for prepare-rename and workspace edits.
src/lib/editorManager.js	Adds centralized range revealing that cancels delayed active-file scroll restoration.
src/lib/selectionMenu.js	Adds a capability-filtered LSP action picker to the selection menu.
src/components/referencesPanel/utils.js	Routes reference navigation through shared position conversion and range revealing.

Sequence Diagram

sequenceDiagram
  participant U as User
  participant C as LSP command
  participant S as Language server
  participant N as Location normalizer
  participant P as References panel
  participant E as Editor manager
  U->>C: Invoke navigation action
  C->>S: textDocument definition-family request
  S-->>C: Location, Location[], or LocationLink[]
  C->>N: Normalize and deduplicate results
  alt One location
    N->>E: Open file and reveal range
  else Multiple locations
    N->>P: Display normalized results
    U->>P: Select result
    P->>E: Open file and reveal range
  end

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