fix: set PAGER and GH_PAGER in shell tool, add wait-for-ci example to…

… gh tool

gptme/tools/gh.py

@@ -32,10 +32,14 @@ def has_gh_tool() -> bool:
 > User: show workflow
 > Assistant:
 {ToolUse("shell", [], "gh run view $RUN --repo $REPO --log").to_output()}
+
+> User: wait for workflow to finish
+> Assistant:
+{ToolUse("shell", [], "gh run watch $RUN --repo $REPO").to_output()}
 """
 
 # Note: this isn't actually a tool, it only serves prompting purposes
-tool = ToolSpec(
+tool: ToolSpec = ToolSpec(
     name="gh",
     available=has_gh_tool(),
     desc="Interact with GitHub",

gptme/tools/shell.py

@@ -14,7 +14,7 @@
 import bashlex
 
 from ..message import Message
-from ..util import get_tokenizer, print_preview, get_installed_programs
+from ..util import get_installed_programs, get_tokenizer, print_preview
 from .base import ConfirmFunc, ToolSpec, ToolUse
 
 logger = logging.getLogger(__name__)
@@ -120,6 +120,8 @@ def _init(self):
         self.delimiter = "END_OF_COMMAND_OUTPUT"
 
         # set GIT_PAGER=cat
+        self.run("export PAGER=")
+        self.run("export GH_PAGER=")
         self.run("export GIT_PAGER=cat")
 
     def run(self, code: str, output=True) -> tuple[int | None, str, str]: