docs: make sure changelog fragments end with a period

Also, run `generate-changelog.py` over prodtest changelog.

[no changelog]

Makefile

@@ -56,6 +56,7 @@ changelog_check: ## check changelog format
 	./tools/generate-changelog.py --check core/embed/projects/boardloader
 	./tools/generate-changelog.py --check core/embed/projects/bootloader
 	./tools/generate-changelog.py --check core/embed/projects/bootloader_ci
+	./tools/generate-changelog.py --check core/embed/projects/prodtest
 	./tools/generate-changelog.py --check legacy/bootloader
 	./tools/generate-changelog.py --check legacy/firmware
 	./tools/generate-changelog.py --check legacy/intermediate_fw

core/.changelog.d/3324.fixed

@@ -1 +1 @@
-[T2B1, T3B1] Fix "PIN attempts exceeded" screen
+[T2B1, T3B1] Fix "PIN attempts exceeded" screen.

core/.changelog.d/3692.fixed

@@ -1 +1 @@
-Fix auto-mover hitting wall scenario
+Fix auto-mover hitting wall scenario.

core/.changelog.d/4402.fixed

@@ -1 +1 @@
-[T3T1] Fix unexpected info button when confirming passphrase coming from host
+[T3T1] Fix unexpected info button when confirming passphrase coming from host.

core/.changelog.d/4462.added

@@ -1 +1 @@
-STWLC38 nvm patch and config update from host
+STWLC38 nvm patch and config update from host.

core/.changelog.d/4491.fixed

@@ -1 +1 @@
-[T2T1] Fix wrong RSOD color on some older Model T devices
+[T2T1] Fix wrong RSOD color on some older Model T devices.

core/embed/projects/bootloader_ci/.changelog.d/1049.added

@@ -1 +1 @@
-Bootloader redesign
+Bootloader redesign.

core/embed/projects/bootloader_ci/.changelog.d/2243.added

@@ -1 +1 @@
-Add basic Trezor Model R hardware support
+Add basic Trezor Model R hardware support.

core/embed/projects/bootloader_ci/.changelog.d/2414.added

@@ -1 +1 @@
-Using hardware acceleration (dma2d) for rendering
+Using hardware acceleration (dma2d) for rendering.

core/embed/projects/bootloader_ci/.changelog.d/2623.added

@@ -1 +1 @@
-Add model info to image and check when installing/running firmware
+Add model info to image and check when installing/running firmware.

core/embed/projects/bootloader_ci/.changelog.d/3370.added

@@ -1 +1 @@
-Added basic support for STM32U5
+Added basic support for STM32U5.

core/embed/projects/prodtest/.changelog.d/4405.fixed

@@ -1 +1 @@
-Fix BOOTLOADER VERSION command
+Fix BOOTLOADER VERSION command.

docs/misc/changelog.md

@@ -39,7 +39,8 @@ Changelog](https://keepachangelog.com/en/1.0.0/) format:
 * `incompatible` (for backwards incompatible changes)
 
 Entries are added by creating files in the `.changelog.d` directory where the
-file name is `<number>.<type>` and contains single line describing the change.
+file name is `<number>.<type>` and contains single line describing the change,
+ending with a period.
 As an example, an entry describing bug fix for issue 1234 in Trezor T firmware
 is added by creating file `core/.changelog.d/1234.fixed`. The file can be
 formatted with markdown. If more entries are desired for single issue number and

legacy/firmware/.changelog.d/15.added

@@ -1 +1 @@
-Signed Ethereum network and token definitions from host
+Signed Ethereum network and token definitions from host.

legacy/firmware/.changelog.d/2675.removed

@@ -1 +1 @@
-CoSi functionality
+CoSi functionality.

legacy/firmware/.changelog.d/3216.removed

@@ -1 +1 @@
-MUE support
+MUE support.

legacy/firmware/.changelog.d/4324.added

@@ -1 +1 @@
-Unchained paths for p2wsh multisig
+Unchained paths for p2wsh multisig.

legacy/intermediate_fw/.changelog.d/163.fixed

@@ -1 +1 @@
-Bootloader VTOR and FW handover fix
+Bootloader VTOR and FW handover fix.

python/.changelog.d/3442.removed.1

@@ -1 +1 @@
-CoSi functionality
+CoSi functionality.

python/.changelog.d/3728.added

@@ -1 +1 @@
-Added support for T3B1
+Added support for T3B1.

python/.changelog.d/4041.added

@@ -1 +1 @@
-Enum for valid device rotations
+Enum for valid device rotations.

python/.changelog.d/4076.added

@@ -1 +1 @@
-Added pretty-printing of protobuf messages in IPython (`_repr_pretty_`)
+Added pretty-printing of protobuf messages in IPython (`_repr_pretty_`).

python/.changelog.d/4464.deprecated

@@ -1 +1 @@
-`device.reset()` is deprecated, migrate to `device.setup()`
+`device.reset()` is deprecated, migrate to `device.setup()`.

tools/generate-changelog.py

@@ -17,6 +17,8 @@ MODELS_RE = re.compile(r"\[([A-Z0-9]{4})(,[A-Z0-9]{4})*\][ ]?")
 INTERNAL_MODELS = ("T2T1", "T2B1", "T3B1", "T3T1", "D001")
 INTERNAL_MODELS_SKIP = ("D001",)
 
+IGNORED_FILES = ('.gitignore', '.keep')
+
 
 def linkify_changelog(changelog_file: Path, only_check: bool = False) -> bool:
     links = {}
@@ -116,6 +118,23 @@ def filter_changelog(changelog_file: Path, internal_name: str):
                 destination.write(res)
 
 
+def check_style(project: Path):
+    success = True
+    fragements_dir = project / ".changelog.d"
+    for fragment in fragements_dir.iterdir():
+        if fragment.name in IGNORED_FILES:
+            continue
+        fragment_text = fragment.read_text().rstrip()
+        if not fragment_text.endswith("."):
+            click.echo(f"Fragment '{fragment}' must end with a period.")
+            success = False
+
+    if not success:
+        raise click.ClickException("Fragment style check failed.")
+    else:
+        click.echo("Fragment style check passed.")
+
+
 def generate_filtered(project: Path, changelog: Path):
     if project.parts[-1] != "core":
         return
@@ -153,6 +172,8 @@ def cli(project, version, date, check, only_models):
     - Tell git to stage changed files.
     """
     project = Path(project)
+    check_style(project)
+
     changelog = project / "CHANGELOG.md"
 
     if not changelog.exists():