luci-theme-darkstrap: add clutter-free dark theme - #9181

Checking PR #9181: luci-theme-darkstrap: add clutter-free dark theme (Formalities Audit)

✅ Pull request originates from a dedicated feature branch (add-luci-theme-darkstrap)

Commit e951f9c - luci-theme-darkstrap: add simple clutter-free dark theme:

✅ Author and committer identities are valid
✅ Commit is not a merge commit
✅ Commit subject layout and length are valid: "luci-theme-darkstrap: add simple clutter-free dark theme"
✅ Commit description lines adhere to width formatting rules
✅ Commit contains a valid 'Signed-off-by:' line matching author or committer
✅ Subject prefix luci-theme-darkstrap names a path this commit changes
⚠️ Warning: Commit is unsigned or cryptographic signature verification failed (Reason: unsigned). Signing commits is a recommended best practice for verifying identity, but is not mandatory.

Commit f085ddc - luci-theme-darkstrap: clamp tooltips to cards and improve help disclosure:

✅ Author and committer identities are valid
✅ Commit is not a merge commit
✅ Commit subject layout and length are valid: "luci-theme-darkstrap: clamp tooltips to cards and improve help disclosure"
✅ Commit description lines adhere to width formatting rules
✅ Commit contains a valid 'Signed-off-by:' line matching author or committer
✅ Subject prefix luci-theme-darkstrap names a path this commit changes
⚠️ Warning: Subject line exceeds soft limit (73/60 chars)
⚠️ Warning: Commit is unsigned or cryptographic signature verification failed (Reason: unsigned). Signing commits is a recommended best practice for verifying identity, but is not mandatory.

Commit c32bad6 - luci-theme-darkstrap: independent help and tooltip clamping:

✅ Author and committer identities are valid
✅ Commit is not a merge commit
✅ Commit subject layout and length are valid: "luci-theme-darkstrap: independent help and tooltip clamping"
✅ Commit description lines adhere to width formatting rules
✅ Commit contains a valid 'Signed-off-by:' line matching author or committer
✅ Subject prefix luci-theme-darkstrap names a path this commit changes
⚠️ Warning: Commit is unsigned or cryptographic signature verification failed (Reason: unsigned). Signing commits is a recommended best practice for verifying identity, but is not mandatory.

Commit dc55f2d - luci-theme-darkstrap: refine realtime graphs and mobile scrolling:

✅ Author and committer identities are valid
✅ Commit is not a merge commit
✅ Commit subject layout and length are valid: "luci-theme-darkstrap: refine realtime graphs and mobile scrolling"
✅ Commit description lines adhere to width formatting rules
✅ Commit contains a valid 'Signed-off-by:' line matching author or committer
✅ Subject prefix luci-theme-darkstrap names a path this commit changes
⚠️ Warning: Subject line exceeds soft limit (65/60 chars)
⚠️ Warning: Commit is unsigned or cryptographic signature verification failed (Reason: unsigned). Signing commits is a recommended best practice for verifying identity, but is not mandatory.

Commit dd682c9 - luci-theme-darkstrap: optimize mobile scroll and flatten background compositor:

✅ Author and committer identities are valid
✅ Commit is not a merge commit
✅ Commit subject layout and length are valid: "luci-theme-darkstrap: optimize mobile scroll and flatten background compositor"
✅ Commit description lines adhere to width formatting rules
✅ Commit contains a valid 'Signed-off-by:' line matching author or committer
✅ Subject prefix luci-theme-darkstrap names a path this commit changes
⚠️ Warning: Subject line exceeds soft limit (78/60 chars)
⚠️ Warning: Commit is unsigned or cryptographic signature verification failed (Reason: unsigned). Signing commits is a recommended best practice for verifying identity, but is not mandatory.

Commit 4b30519 - luci-theme-darkstrap: unlock native OS momentum scroll and content visibility:

✅ Author and committer identities are valid
✅ Commit is not a merge commit
✅ Commit subject layout and length are valid: "luci-theme-darkstrap: unlock native OS momentum scroll and content visibility"
✅ Commit description lines adhere to width formatting rules
✅ Commit contains a valid 'Signed-off-by:' line matching author or committer
✅ Subject prefix luci-theme-darkstrap names a path this commit changes
⚠️ Warning: Subject line exceeds soft limit (77/60 chars)
⚠️ Warning: Commit is unsigned or cryptographic signature verification failed (Reason: unsigned). Signing commits is a recommended best practice for verifying identity, but is not mandatory.

Commit 17deab5 - luci-theme-darkstrap: achieve native 120 FPS scrolling with hardware glass:

✅ Author and committer identities are valid
✅ Commit is not a merge commit
✅ Commit subject layout and length are valid: "luci-theme-darkstrap: achieve native 120 FPS scrolling with hardware glass"
✅ Commit description lines adhere to width formatting rules
✅ Commit contains a valid 'Signed-off-by:' line matching author or committer
✅ Subject prefix luci-theme-darkstrap names a path this commit changes
⚠️ Warning: Subject line exceeds soft limit (74/60 chars)
⚠️ Warning: Commit is unsigned or cryptographic signature verification failed (Reason: unsigned). Signing commits is a recommended best practice for verifying identity, but is not mandatory.