startup: docs and features links under the logo instead of a printed tip

The full tip at every session start was too much. The banner now shows two
links: the docs site and its random "Did you know?" page
(did_you_know/random.html); eco.tip() still shows tips in a window.

docs/did_you_know/index.md

@@ -4,10 +4,11 @@ Short tips on eco features, newest first. Each one gives the main usage and
 what you gain from it, with a link to the full documentation where there is
 one. The collection so far covers features added since May 2026.
 
-In an eco session, one tip is printed at startup (`ECO_NO_TIP=1` turns that
-off), and `eco.tip()` opens a small window where **Back** / **Next** go
-through the tips you have seen in this session and then on to new random
-ones. Without a display, `eco.tip()` prints the next tip instead.
+In an eco session, `eco.tip()` opens a small window where **Back** / **Next**
+go through the tips you have seen in this session and then on to new random
+ones. Without a display, it prints the next tip instead. On the docs site,
+`did_you_know/random.html` shows one random tip without the sidebar (linked
+from the session's startup banner).
 
 ```{toctree}
 :glob:

eco/startup_inline.py

@@ -75,8 +75,13 @@ if arguments.scopes_available:
 
 
 print(
-    "                       ___ _______\n                      / -_) __/ _ \ \n Experiment Control   \__/\__/\___/ \n\n"
+    "                       ___ _______\n                      / -_) __/ _ \ \n Experiment Control   \__/\__/\___/ \n"
 )
+# Docs site and its "Did you know?" feature tips (eco.utilities.tips;
+# eco.tip() shows them in a window from the session).
+_docs_url = os.environ.get("ECO_DOCS_URL", "http://saresb-cons-04.psi.ch:8095/").rstrip("/")
+print(f" docs:     {_docs_url}/")
+print(f" features: {_docs_url}/did_you_know/random.html   (or eco.tip())\n")
 
 term = Terminal(scope=scope)
 
@@ -191,13 +196,3 @@ if scope:
         )
         _ipymagic_root = eval(scope)
     ipymagic.start(_ipymagic_root)
-
-# One "Did you know?" tip per session start, with a pointer to eco.tip()
-# for more in a window (eco.utilities.tips). ECO_NO_TIP=1 turns it off.
-if not os.environ.get("ECO_NO_TIP"):
-    try:
-        from eco.utilities import tips as _tips
-
-        _tips.print_tip(startup=True)
-    except Exception as _exc:
-        print(f"(no startup tip: {_exc})")

eco/utilities/tips.py

@@ -4,10 +4,10 @@ The tips are the Markdown files in ``docs/did_you_know/`` (one per feature,
 ``<date>-<slug>.md`` with a small front matter, see that folder's
 ``index.md``) -- the same files the Sphinx docs show. Here they are:
 
-- printed in the terminal, one at session start (``eco/startup_inline.py``;
-  ``ECO_NO_TIP=1`` turns that off), with a pointer to ``eco.tip()``;
 - shown in a small Qt window by ``eco.tip()`` (eco.widgets.tip_qt), or
-  printed again where there is no display.
+  printed in the terminal where there is no display. The session start
+  (``eco/startup_inline.py``) only prints links to the docs site and its
+  random-tip page.
 
 Links to other docs pages (``{doc}`../scanning``` in a tip) point at the
 docs site, ``ECO_DOCS_URL`` (default: the server on saresb-cons-04).
@@ -127,7 +127,7 @@ def get_tip(name):
 
 class TipHistory:
     """The tips shown in this session, in order, and where in that list we
-    are -- shared by the startup tip, ``eco.tip()`` and the window's
+    are -- shared by ``eco.tip()`` (printed or in the window) and the window's
     Back / Next buttons, like a browser history.
 
     `next()` first walks forward through tips already shown (after going
@@ -238,7 +238,7 @@ def as_text(tip, width=None, color=None):
     return "\n".join(out)
 
 
-def print_tip(tip=None, startup=False):
+def print_tip(tip=None):
     """Print `tip` (default: the next one in this session's history, see
     TipHistory) in the terminal, framed as a "Did you know?" with a pointer
     to the window version."""
@@ -250,8 +250,6 @@ def print_tip(tip=None, startup=False):
     print(f"{accent}Did you know?{reset}")
     print(textwrap.indent(as_text(tip, color=color), "  "))
     hint = "eco.tip() shows more tips in a window"
-    if startup:
-        hint += " (ECO_NO_TIP=1 hides this at startup)"
     print(f"{accent}-> {hint}{reset}\n")
     return tip
 
@@ -262,7 +260,7 @@ def tip(name=None, window=None):
     e.g. "picker"); `window=True/False` forces the choice.
 
     The window opens on the tip last shown in this session (e.g. the one
-    printed at startup), so its Back / Next buttons continue that history.
+    printed without a window), so its Back / Next buttons continue that history.
     Printing without a window moves on to the next tip.
 
     Returns the window handle (``.next()``, ``.back()``, ``.stop()``) or the

tests/test_tips.py

@@ -78,10 +78,10 @@ def test_history_back_and_forth(tip_dir):
 
 
 def test_print_tip_records_in_history(tip_dir, capsys):
-    shown = tips.print_tip(startup=True)
+    shown = tips.print_tip()
     out = capsys.readouterr().out
     assert "Did you know?" in out and shown.title in out
-    assert "eco.tip()" in out and "ECO_NO_TIP" in out
+    assert "eco.tip()" in out
     assert tips.history.current.name == shown.name
 
 
@@ -106,7 +106,7 @@ def test_window_navigation(tip_dir, monkeypatch):
     monkeypatch.setenv("QT_QPA_PLATFORM", "offscreen")
     from eco.widgets import tip_qt
 
-    tips.print_tip()  # the "startup" tip comes first
+    tips.print_tip()  # a tip printed earlier comes first
     startup = tips.history.current
     handle = tips.tip(window=True)
     try: