publisher, deployer: neutral defaults in the packaged copies

Default host is localhost, user is "user", paths are under /home/user;
the publisher apps_dir no longer points at a personal Tomcat. Tests of the
copies follow.

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

srcpkgs/deployer/files/tests/test_core.py

@@ -36,7 +36,7 @@ dest = "~/scripts"
 """))
     assert [a.name for a in cfg.apps] == ["a", "b"]
     assert cfg.dest_path(cfg.app("a")) == "/srv/app/python/a"
-    assert cfg.dest_path(cfg.app("b")) == "/home/das/scripts"
+    assert cfg.dest_path(cfg.app("b")) == "/home/user/scripts"
     assert cfg.app("a").src_path == Path.home() / "x"
 
 
@@ -80,7 +80,7 @@ def test_rsync_cmd_options():
     cmd = remote.rsync_cmd(s, "src/", "/d/", filters=["- x"], delete=True, dry_run=True, extra=["--chmod=F640"])
     assert cmd[0] == "rsync" and "-n" in cmd and "--delete" in cmd and "-c" in cmd
     assert cmd.index("--chmod=F640") < cmd.index("--filter=- x")
-    assert cmd[-2:] == ["src/", "das@192.168.88.60:/d/"]
+    assert cmd[-2:] == ["src/", "user@localhost:/d/"]
 
 
 def test_parse_itemize():
@@ -164,14 +164,14 @@ def test_python_config_layout(tmp_path):
     (tmp_path / "configs").mkdir()
     cfg = config.Config(tmp_path / "x.toml", config.Server(), [])
     plan = type("P", (), {})()
-    plan.cfg, plan.dest = cfg, "/home/das/app/python/App"
+    plan.cfg, plan.dest = cfg, "/home/user/app/python/App"
     plan.app = config.App(name="App", kind="python-update", src=str(tmp_path), dest="python/App", unit="u",
                           configs=["configs"])
     k = get("python-update")
-    assert k.config_items(plan) == [("configs", "/home/das/app/configs/python/App")]
+    assert k.config_items(plan) == [("configs", "/home/user/app/configs/python/App")]
     plan.app.configs = [".env", "secrets.yaml"]
-    assert k.config_items(plan) == [(".env", "/home/das/app/configs/python/App/app.env"),
-                                    ("secrets.yaml", "/home/das/app/configs/python/App/secrets.yaml")]
-    plan.dest = "/home/das/app/docker/stack"
+    assert k.config_items(plan) == [(".env", "/home/user/app/configs/python/App/app.env"),
+                                    ("secrets.yaml", "/home/user/app/configs/python/App/secrets.yaml")]
+    plan.dest = "/home/user/app/docker/stack"
     plan.app = config.App(name="stack", kind="docker", src=str(tmp_path), dest="docker/stack")
-    assert get("docker").config_items(plan) == [(".env", "/home/das/app/configs/docker/stack.env")]
+    assert get("docker").config_items(plan) == [(".env", "/home/user/app/configs/docker/stack.env")]