refactor(memory): simplify Dream config naming and rename gitstore module

tests/config/test_dream_config.py

@@ -0,0 +1,48 @@
+from nanobot.config.schema import DreamConfig
+
+
+def test_dream_config_defaults_to_interval_hours() -> None:
+    cfg = DreamConfig()
+
+    assert cfg.interval_h == 2
+    assert cfg.cron is None
+
+
+def test_dream_config_builds_every_schedule_from_interval() -> None:
+    cfg = DreamConfig(interval_h=3)
+
+    schedule = cfg.build_schedule("UTC")
+
+    assert schedule.kind == "every"
+    assert schedule.every_ms == 3 * 3_600_000
+    assert schedule.expr is None
+
+
+def test_dream_config_honors_legacy_cron_override() -> None:
+    cfg = DreamConfig.model_validate({"cron": "0 */4 * * *"})
+
+    schedule = cfg.build_schedule("UTC")
+
+    assert schedule.kind == "cron"
+    assert schedule.expr == "0 */4 * * *"
+    assert schedule.tz == "UTC"
+    assert cfg.describe_schedule() == "cron 0 */4 * * * (legacy)"
+
+
+def test_dream_config_dump_uses_interval_h_and_hides_legacy_cron() -> None:
+    cfg = DreamConfig.model_validate({"intervalH": 5, "cron": "0 */4 * * *"})
+
+    dumped = cfg.model_dump(by_alias=True)
+
+    assert dumped["intervalH"] == 5
+    assert "cron" not in dumped
+
+
+def test_dream_config_uses_model_override_name_and_accepts_legacy_model() -> None:
+    cfg = DreamConfig.model_validate({"model": "openrouter/sonnet"})
+
+    dumped = cfg.model_dump(by_alias=True)
+
+    assert cfg.model_override == "openrouter/sonnet"
+    assert dumped["modelOverride"] == "openrouter/sonnet"
+    assert "model" not in dumped