fix(config): use [server] in isolated profile roots

[TimeToBuildBob]

Why

activitywatch#1434: Erik asked to check aw-server, which used [server-testing] in the same file as prod. That is the pre-profile model. Isolated roots (activitywatch-testing/, activitywatch-research/, …) already separate instances, so a second section in the same file is the same class of bug as aw-qt reading config-<profile>.toml while rust writes config.toml.

What

• Isolated roots get a single [server] section with the profile's default port (5666 for testing, 5600 otherwise). The directory isolates; [server-testing] is not written there.
• config_section() returns [server] except in the legacy shared-root testing layout, where [server-testing] is kept so existing installs are not orphaned.
• settings.json is similarly bare in isolated roots; settings-testing.json remains legacy-only.

Companion: ActivityWatch/aw-qt (tray/manager port lookup now reads isolated-root config.toml / [server]).

Tests

pytest tests/test_profile_config.py tests/test_profile.py: 41 passed.

Refs: ActivityWatch/activitywatch#1434

[greptile-apps]

Greptile Summary

This PR changes isolated profile roots to use conventional, unsuffixed configuration resources while preserving the legacy shared-root testing layout.

• Isolated profiles select [server] and settings.json.
• Legacy shared-root testing retains [server-testing] and settings-testing.json.
• Profile-aware defaults and tests cover the intended section, filename, and port behavior.
• The dependency range must be updated because its currently resolved aw-core version lacks the root-layout helpers required to activate the new behavior.

Confidence Score: 4/5

The PR is not yet safe to merge because isolated testing remains on the legacy configuration paths under the repository’s currently supported aw-core dependency.

The new behavior relies on two aw-core directory helpers, but the dependency remains resolved to aw-core 0.5.18; the fallbacks then classify every testing profile as legacy and preserve the old section and filename.

Files Needing Attention: aw_server/config.py, aw_server/settings.py, pyproject.toml, poetry.lock

Important Files Changed

Filename	Overview
aw_server/config.py	Adds profile-aware defaults and section selection, but its compatibility fallback misclassifies isolated testing roots with the currently supported aw-core version.
aw_server/settings.py	Selects bare or legacy-suffixed settings filenames using an aw-core helper that is unavailable in the currently resolved dependency.
aw_server/main.py	Passes the resolved profile into configuration loading and adjusts fallback warnings for isolated [server] sections.
tests/test_profile_config.py	Covers isolated and legacy section selection, settings filenames, and named-profile port loading, but assumes newer aw-core helper availability.

Flowchart

%%{init: {'theme': 'neutral'}}%%
flowchart TD
  A[Resolve and export profile] --> B{Legacy shared testing root?}
  B -- Yes --> C[Read server-testing section]
  B -- Yes --> D[Read settings-testing.json]
  B -- No --> E[Read server section]
  B -- No --> F[Read settings.json]

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_{Reviews (1): Last reviewed commit: "fix(config): use [server] in isolated pr..." | Re-trigger Greptile}