feat: finalize HTTP direct dispatch refactor and pending milestone updates

Switch API execution to direct daemon request handling, add regression
coverage for non-socket HTTP dispatch, and include the remaining pending
local updates across CLI/daemon/docs from the current worktree.

README.md

@@ -87,7 +87,8 @@ Fast, secure, no port conflicts. The socket is only accessible to the running us
 **HTTP API**
 The daemon optionally exposes a local HTTP API on `127.0.0.1:7272`. This is the interface for tool
 builders — Home Assistant integrations, stream deck plugins, scripts, dashboards. Loopback-only by
-default. All responses are JSON.
+default. HTTP handlers dispatch directly inside the daemon process rather than looping back through
+the Unix socket. All responses are JSON.
 
 **Adapter Layer**
 Each TV platform is implemented as an adapter behind a common Rust trait. The adapter handles all
@@ -404,7 +405,7 @@ roku_password = ""
 | `daemon.http_enabled` | `true` | Expose HTTP API |
 | `daemon.http_port` | `7272` | HTTP API port |
 | `daemon.http_host` | `127.0.0.1` | Bind address (loopback by default) |
-| `daemon.log_level` | `info` | debug / info / warn / error |
+| `daemon.log_level` | `info` | Tracing filter (for example `info` or `tvctl=debug`), applied on daemon start and `tvctl config reload` |
 | `discovery.auto_discover` | `true` | Discover devices on daemon start |
 | `discovery.interval_secs` | `300` | Re-scan interval (0 = disabled) |
 | `discovery.timeout_secs` | `5` | Per-device timeout |