Replace RPC with native Zenoh RPC - DIM-1145

[bogwi]

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[greptile-apps]

Greptile Summary

Replaces the pub/sub-emulated Zenoh RPC backend with native Zenoh queryables and queries.

• Routes Zenoh transport selection to the new implementation.
• Adds native request, response, exception, timeout, retry, and lifecycle handling.
• Raises the minimum eclipse-zenoh dependency to 1.9.0 and updates tests and documentation.

Confidence Score: 5/5

The PR appears safe to merge with no blocking failures remaining from the eligible follow-up threads.

No blocking failure remains.

Important Files Changed

Filename	Overview
dimos/protocol/rpc/zenohrpc.py	Introduces the native Zenoh RPC client/server implementation, including query handling, retries, exception propagation, and teardown.
dimos/protocol/rpc/pubsubrpc.py	Removes the former pub/sub-backed ZenohRPC implementation while retaining the LCM and shared-memory backends.
dimos/core/transport_factory.py	Resolves Zenoh RPC transport configuration to the new native implementation.
pyproject.toml	Raises the minimum eclipse-zenoh version required by the native RPC APIs.
uv.lock	Synchronizes the locked project dependency requirement with the updated Zenoh minimum version.

Sequence Diagram

sequenceDiagram
    participant Client
    participant Zenoh
    participant Server
    Client->>Zenoh: "get dimos/rpc/{name}"
    Zenoh->>Server: Query(payload)
    Server->>Server: Execute handler in thread pool
    alt successful call
        Server-->>Zenoh: reply(serialized result)
        Zenoh-->>Client: on_reply(result)
    else handler exception
        Server-->>Zenoh: reply_err(serialized exception)
        Zenoh-->>Client: on_reply(error)
    else query completes without response
        Zenoh-->>Client: on_finalize()
        Client->>Zenoh: retry until RPC deadline
    end

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_{Reviews (2): Last reviewed commit: "- create dimos/protocol/rpc/zenohrpc.py" | Re-trigger Greptile}

[codecov]

Codecov Report

❌ Patch coverage is 90.16393% with 12 lines in your changes missing coverage. Please review.
✅ All tests successful. No failed tests found.

Files with missing lines	Patch %	Lines
dimos/protocol/rpc/zenohrpc.py	89.65%	6 Missing and 6 partials ⚠️

@@           Coverage Diff            @@
##             main    #3176    +/-   ##
========================================
  Coverage   74.17%   74.18%            
========================================
  Files        1108     1109     +1     
  Lines      104052   104157   +105     
  Branches     9530     9545    +15     
========================================
+ Hits        77179    77266    +87     
- Misses      24129    24140    +11     
- Partials     2744     2751     +7     

Flag	Coverage Δ
OS-ubuntu-24.04-arm	67.66% <81.96%> (+0.01%)	⬆️
OS-ubuntu-latest	69.73% <82.78%> (+<0.01%)	⬆️
Py-3.10	69.72% <81.96%> (+0.01%)	⬆️
Py-3.11	69.72% <81.96%> (+<0.01%)	⬆️
Py-3.12	69.72% <81.96%> (+<0.01%)	⬆️
Py-3.13	69.72% <82.78%> (+<0.01%)	⬆️
Py-3.14	69.73% <82.78%> (+<0.01%)	⬆️
Py-3.14t	69.72% <81.96%> (+<0.01%)	⬆️
SelfHosted-Large	29.65% <26.22%> (-0.02%)	⬇️
SelfHosted-Linux	36.21% <26.22%> (-0.02%)	⬇️
SelfHosted-macOS	35.19% <77.86%> (-0.05%)	⬇️

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Files with missing lines	Coverage Δ
dimos/core/test_transport_factory.py	100.00% <100.00%> (ø)
dimos/core/transport_factory.py	100.00% <100.00%> (ø)
dimos/protocol/rpc/pubsubrpc.py	88.02% <ø> (-0.60%)	⬇️
dimos/protocol/rpc/test_spec.py	95.08% <100.00%> (+0.02%)	⬆️
dimos/protocol/rpc/zenohrpc.py	89.65% <89.65%> (ø)

... and 3 files with indirect coverage changes

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Project	Status	Preview	Updated (UTC)
dimensional	🟡 Building	–	Jul 25, 2026, 1:09 AM

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