chore: remove router agent (#5)

* chore: remove router agent

builtin:router has been replaced by LLM intent routing in the kernel.
Assistant is now the sole entry point — see librefang/librefang#1336.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

* style: format all TOML files with taplo

Fix CI taplo format check by running `taplo fmt` on all 132 TOML files.

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Co-authored-by: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

templates/integration.toml

@@ -1,7 +1,7 @@
 id = "{{NAME}}"
 name = "TODO: Service Display Name"
 description = "TODO: One-sentence description of this integration."
-category = "devtools"  # devtools | communication | storage | monitoring | data | productivity
+category = "devtools"                                               # devtools | communication | storage | monitoring | data | productivity
 icon = "TODO"
 tags = ["TODO"]