stacklok / toolhive / 28622575041

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Sort aggregated tools by name for deterministic embedding order (#5709)

Sort merged tools by name for deterministic order

MergeCapabilities builds the advertised tool slice by ranging a map,
so every fresh aggregation produced a different order. The order is
invisible in tools/list but leaks into order-sensitive consumers: the
optimizer embeds the tool catalog in slice order, so each aggregation
sent a differently ordered embedding batch.

Sort the slice by resolved name, which is unique after conflict
resolution. Same class of fix as #3450, which sorted discovered
backends but not the tools inside the aggregation.

Fixes #5702

Signed-off-by: Gabriel Cosi <contact@gabrielcosi.dev>

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