fix: remove legacy MCP agent identity fallback#77
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Remove the "mcp-agent" fallback identity and SHA-256 hash derivation
from the MCP runtime. All agents must now have proper credentials.
- Remove legacy SHA-256 agent ID derivation from temper-mcp runtime
- Remove hostname and sha2 dependencies from temper-mcp
- Auto-register AgentType("operator") + AgentCredential for the global
TEMPER_API_KEY on platform bootstrap (idempotent)
- Remove deprecated X-Temper-Principal-Id and X-Temper-Agent-Type
header extraction from request context
- Clean up SecurityContext fallback: no self-declared identity trusted
- Enrich agent context from ResolvedIdentity for telemetry
- Add E2E tests for operator credential bootstrap and resolution
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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Summary
mcp-agentorcc-/cx-/mc-prefix IDsAgentType("operator")+AgentCredentialforTEMPER_API_KEYon platform boot, so the global API key resolves as a proper verified identityX-Temper-Principal-IdandX-Temper-Agent-Typeheader extraction from server request contextResolvedIdentityis the only trusted identity sourceTest plan
cargo test --workspace)e2e_bootstrap_operator_credential_resolves,e2e_bootstrap_operator_credential_idempotent,e2e_unregistered_api_key_does_not_resolvemcp_initialize_without_api_key_no_identityverified: truemcp-agent)Implements ADR-0033: Platform-Assigned Agent Identity.
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