Expose tool call id on tool contexts

[tbharthur]

Summary

• expose the AI SDK tool call id on authored ToolContext
• forward tool execution options through the harness so static tools, live dynamic tools, and replayed dynamic tools can read ctx.toolCallId
• add focused coverage for authored, harness, live dynamic, and replayed dynamic tool execution paths

Verification

• pnpm --filter eve run typecheck
• pnpm --filter eve exec vitest run --config vitest.unit.config.ts src/harness/tools.test.ts src/harness/tool-interrupts.test.ts src/context/dynamic-tool-lifecycle.test.ts
• pnpm --filter eve exec vitest run --config vitest.integration.config.ts src/execution/tool-auth.integration.test.ts
• git diff --check

[vercel]

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