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agents/.gitea/workflows/scripts/route.sh
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hermes 0ddde87b40
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feat(agents): automatic model fallback when Ollama Cloud is exhausted
Keep ollama-cloud/* as primary. Each agent may declare fallback in
agents.json (xai-oc/grok-*). On quota/auth/provider failure, run-agent
switches once to the fallback and continues retries.

- agents.json: fallback fields for pm/junior/senior/qa/intern
- route.sh: emit fallback to GITHUB_OUTPUT
- agent.yml: pass FALLBACK env into run-agent
- install-opencode.sh: register primary+fallback models in provider maps
- run-agent.sh: failover on quota/credit/429/capacity-class errors
2026-07-30 16:28:30 +03:00

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#!/usr/bin/env bash
# Route agent + prepare branch.
# Reads the event context from env (set by the calling step), writes the agent registry to
# /tmp/agents.json, picks which agent to run, emits step outputs (name/model/vision/mode/branch/new)
# to $GITHUB_OUTPUT, configures git identity, and prepares/publishes the working branch.
#
# Required env (all provided by the workflow step): BODY IBODY CID IS_PR NUM GT
# TOKEN_PM TOKEN_SENIOR TOKEN_JUNIOR TOKEN_LEAD TOKEN_QA
# GITHUB_SERVER_URL GITHUB_REPOSITORY GITHUB_OUTPUT
set -eu
# --- agent registry: model + capabilities + mode + role + skills ---
# The registry is the SINGLE SOURCE OF TRUTH, kept in agents.json next to this
# script. install-opencode.sh derives its ollama-cloud provider `models:` map
# from the same file, so an agent's model can never be missing from the provider
# config — drift is impossible by construction. See issue #31.
# `skills` is the allow-list of opencode Skills each agent may load. It scopes the
# `permission.skill` block written into opencode.json (see install-opencode.sh) so an agent only
# ever sees (and can load) the skills relevant to its role. Skills NOT listed here are hidden from
# that agent entirely — not even the one-line summary appears in its <available_skills>, so the
# full API/how-to detail never reaches an agent that shouldn't act on it. A teammate can still learn
# *that* another agent has a capability from the roster and ask them to use it.
AGENTS_JSON="${SCRIPTS:-$(dirname -- "$0")}/agents.json"
cp "$AGENTS_JSON" /tmp/agents.json
# On a new issue, @pm auto-assesses. On a comment, route by the @mention.
# A comment event has a comment id (CID); an issue-opened event does not. (event_name is unreliable
# here — see agent.yml: this reusable workflow sees it as 'workflow_call'.)
if [ -n "$CID" ]; then scan="$BODY"; else scan="$IBODY"; fi
name=""
# FIRST MATCH IN THIS LIST ORDER WINS when a comment mentions several agents. The order is
# load-bearing for the flow's trigger comments: "@pm — @qa approved …" must route to @pm (pm is
# checked first), while "@junior please address @qa's review …" must route to the dev (devs are
# checked before qa). If you add an agent or reword a trigger in publish.sh, re-check this order.
# WORD-BOUNDARY match, not substring: "@internal" or "x@internet.com" must NOT route to @intern
# (the workflow gate can only do contains(), so this is where its false positives get filtered).
for a in pm junior senior lead qa ops intern; do
if printf '%s' "$scan" | grep -qE "(^|[^[:alnum:]_])@$a([^[:alnum:]_-]|\$)"; then name=$a; break; fi
done
if [ -z "$name" ]; then
if [ -z "$CID" ]; then
name=pm
else
# Not an agent task (e.g. the gate's contains() matched "@internal"). Skip GRACEFULLY: emit
# mode=skip so every later step no-ops — a red run for a non-agent comment is just noise.
echo "no known agent mentioned (word-boundary) — skipping run"
{ echo "name=none"; echo "model=none"; echo "fallback="; echo "vision=false"; echo "mode=skip"; echo "skills=[]";
echo "branch=main"; echo "new=false"; echo "autopilot=false"; echo "issnum=$NUM"; } >> "$GITHUB_OUTPUT"
exit 0
fi
fi
model=$(jq -r --arg a "$name" '.[$a].model' /tmp/agents.json)
# Optional provider failover when primary is quota/network-dead (e.g. Ollama Cloud → xAI).
fallback=$(jq -r --arg a "$name" '.[$a].fallback // empty' /tmp/agents.json)
vision=$(jq -r --arg a "$name" '.[$a].vision' /tmp/agents.json)
mode=$(jq -r --arg a "$name" '.[$a].mode' /tmp/agents.json)
# Compact JSON array of the skills this agent may load (scopes permission.skill in install-opencode.sh).
skills=$(jq -c --arg a "$name" '.[$a].skills // []' /tmp/agents.json)
# --- WORKMODE for dev (mode=pr) agents: build vs DISCUSS. ---
# Mentioning a dev is a CONVERSATION by default — it replies in the thread without creating a
# branch or PR. Actual building starts ONLY on the explicit signals:
# - a comment on a PR thread (resuming existing work), or
# - the pm delegation template ".. please proceed with issue .." (also usable by a human), or
# - the qa bounce template ".. please address my review ..".
# This lets @pm (via its ASK marker) and the maintainer consult devs to gather information first,
# and explicitly start the build later — see publish.sh / run-agent.sh.
workmode=build
if [ "$mode" = "pr" ] && [ -z "$IS_PR" ]; then
if printf '%s' "$scan" | grep -qiE 'please (proceed with issue|address my review)'; then
workmode=build
else
workmode=discuss
fi
fi
echo "Routing to @$name (model=$model fallback=${fallback:-none} vision=$vision mode=$mode workmode=$workmode skills=$skills)"
{ echo "name=$name"; echo "model=$model"; echo "fallback=$fallback"; echo "vision=$vision"; echo "mode=$mode"; echo "workmode=$workmode"; echo "skills=$skills"; } >> "$GITHUB_OUTPUT"
# Act as the agent's own Gitea user when its token is set; else the built-in bot.
case "$name" in
pm) TOK="$TOKEN_PM";; senior) TOK="$TOKEN_SENIOR";; junior) TOK="$TOKEN_JUNIOR";;
lead) TOK="$TOKEN_LEAD";; qa) TOK="$TOKEN_QA";; ops) TOK="$TOKEN_OPS";; intern) TOK="$TOKEN_INTERN";; *) TOK="";;
esac
[ -z "$TOK" ] && TOK="$GT"
git config user.name "$name"
git config user.email "$name@ffaerber.duckdns.org"
API="${GITHUB_SERVER_URL}/api/v1/repos/${GITHUB_REPOSITORY}"
hdr=(-H "Authorization: token $TOK" -H "Content-Type: application/json")
branch_ref=""
if [ "$workmode" = "discuss" ]; then # conversation only — no branch, no PR machinery
echo "discussion mode — staying on main, no branch prep"
{ echo "branch=main"; echo "new=false"; } >> "$GITHUB_OUTPUT"
elif [ -n "$IS_PR" ]; then # comment on a PR -> resume its branch
ref=$(curl -s -H "Authorization: token $GT" "$API/pulls/$NUM" | jq -r .head.ref)
branch_ref="$ref"
git fetch origin "$ref" && git checkout "$ref"
{ echo "branch=$ref"; echo "new=false"; } >> "$GITHUB_OUTPUT"
elif git ls-remote --exit-code --heads origin "ai/issue-$NUM" >/dev/null 2>&1; then
# comment on an issue whose branch ALREADY exists (a prior run / open PR) -> RESUME it, so new
# commits fast-forward onto the same branch and update its PR. Branching fresh from main here would
# be rejected on push as non-fast-forward and the new work would be silently lost (see issue #17).
git fetch origin "ai/issue-$NUM" && git checkout "ai/issue-$NUM"
{ echo "branch=ai/issue-$NUM"; echo "new=false"; } >> "$GITHUB_OUTPUT"
else # comment on an issue, no branch yet -> new branch
git checkout -b "ai/issue-$NUM"
{ echo "branch=ai/issue-$NUM"; echo "new=true"; } >> "$GITHUB_OUTPUT"
# For dev agents, publish the branch immediately and tell the maintainer where to watch.
if [ "$mode" = "pr" ]; then
git push -u origin "HEAD:ai/issue-$NUM" || true
url="${GITHUB_SERVER_URL}/${GITHUB_REPOSITORY}/src/branch/ai/issue-$NUM"
curl -sS -X POST "${hdr[@]}" "$API/issues/$NUM/comments" \
-d "$(jq -nc --arg b "🔨 Building on branch [\`ai/issue-$NUM\`]($url) — I'll open a PR when it's ready.
<!-- 🤖 agent reply — do not trigger -->" '{body:$b}')" >/dev/null || true
fi
fi
# --- Autopilot gate: read the `autopilot` label FRESH every run. ---
# Presence of this label is the opt-in switch (and the kill switch: remove it mid-flight and the
# next run reverts to normal human-approval behavior). When @qa is triggered on a PR thread, the
# label lives on the ORIGIN issue (ai/issue-N), so resolve N from the branch name.
issnum="$NUM"
case "$IS_PR" in ?*) issnum=$(printf '%s' "$branch_ref" | sed -nE 's,^ai/issue-([0-9]+).*,\1,p');; esac
[ -z "$issnum" ] && issnum="$NUM"
autopilot=false
if curl -sS -H "Authorization: token $GT" "$API/issues/$issnum/labels" 2>/dev/null \
| jq -e 'any(.[]?; .name=="autopilot")' >/dev/null 2>&1; then
autopilot=true
fi
echo "autopilot (autopilot label on #$issnum)=$autopilot"
{ echo "autopilot=$autopilot"; echo "issnum=$issnum"; } >> "$GITHUB_OUTPUT"