J-Loudet

### Describe the feature As described in #886 the behavior of the Aligner Queryable is not particularly optimized, to quote the changes made in the pull request: > 1. Incrementally...

In order to not require users to install globally (via the `--break-system-packages` flag) the Python library of Zenoh-Flow, the path to this library should be provided in the extension. At...

# Summary To measure and provide insights about Zenoh Flow’s performance, some metrics should be provided. # Intended outcome "Metrics" (_to be refined_) are made available. # Steps TBD.

# Summary Currently, the mapping of nodes is specified manually in the YAML file. Zenoh Flow should expose an interface that would let external "logic" perform this mapping. # Intended...

# Summary Currently, the only URI that is supported for shared libraries (or Python script) is `file://`. Other schemas should be supported (for instance: `http://`, `https://`). # Intended outcome Shared...

This change is motivated by the refactor of the Replication feature. In order to exchange metadata that can be processed by all Replicas, the key expressions associated with the data...

### Describe the feature The method `get`: https://github.com/eclipse-zenoh/zenoh/blob/ddcc8f1d8c114ca256df3939c303bcbdc1f80197/plugins/zenoh-backend-traits/src/lib.rs#L247-L251 returns, at least in some implementation, an error when the requested key is missing. I believe it should return a `ZResult` where...