chore: import upstream snapshot with attribution

.devcontainer/README.md

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+# .devcontainer
+
+The files in this directory configure a VSCode environment like
+GitHub codespaces.

.devcontainer/bashrc_epilog.sh

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+
+if [ -z "$(docker images -q sweagent/swe-agent 2> /dev/null)" ]; then
+  echo "⚠️ Please wait for the postCreateCommand to start and finish (a new window will appear shortly) ⚠️"
+fi
+
+echo "Here's an example SWE-agent command to try out:"
+
+echo "sweagent run \\
+  --agent.model.name=claude-sonnet-4-20250514 \\
+  --agent.model.per_instance_cost_limit=2.00 \\
+  --env.repo.github_url=https://github.com/SWE-agent/test-repo \\
+  --problem_statement.github_url=https://github.com/SWE-agent/test-repo/issues/1 \\
+"

.devcontainer/devcontainer.json

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+{
+    "name": "SWE-Agent Codespace",
+    "image": "mcr.microsoft.com/vscode/devcontainers/miniconda:0-3",
+    "customizations":{
+        "vscode":{
+            "extensions": [
+                "ms-python.python",
+                "ms-azuretools.vscode-docker",
+                "ms-toolsai.jupyter"
+            ]
+        }
+    },
+    "onCreateCommand": "./.devcontainer/oncreate.sh",
+    "postCreateCommand": "./.devcontainer/postcreate.sh",
+    "features": {
+        "ghcr.io/devcontainers/features/docker-in-docker:2": {}
+    },
+    "mounts": [
+        "source=/var/run/docker.sock,target=/var/run/docker.sock,type=bind"
+    ],
+    "remoteUser": "vscode"
+}

.devcontainer/oncreate.sh

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+#!/usr/bin/env bash
+
+set -euo pipefail
+set -x
+
+# Run from repo root
+
+sudo usermod -aG docker vscode
+sudo chmod 666 /var/run/docker.sock
+pip install -e '.'
+cp .devcontainer/sample_keys.cfg keys.cfg
+cat .devcontainer/bashrc_epilog.sh >> ~/.bashrc

.devcontainer/postcreate.sh

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+#!/usr/bin/env bash
+
+set -euo pipefail
+set -x
+
+pip install -e '.'

.devcontainer/sample_keys.cfg

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+# All keys are commented out by default. Make sure to remove the leading '#' of the relevant lines
+# GITHUB_TOKEN: 'GitHub Token to clone private repos'
+# OPENAI_API_KEY: 'OpenAI API Key Here if using OpenAI Model'
+# ANTHROPIC_API_KEY: 'Anthropic API Key Here if using Anthropic Model'
+# TOGETHER_API_KEY: 'Together API Key Here if using Together Model'
+# AZURE_OPENAI_API_KEY: 'Azure OpenAI API Key Here if using Azure OpenAI Model'
+# AZURE_OPENAI_ENDPOINT: 'Azure OpenAI Endpoint Here if using Azure OpenAI Model'
+# AZURE_OPENAI_DEPLOYMENT: 'Azure OpenAI Deployment Here if using Azure OpenAI Model'
+# AZURE_OPENAI_API_VERSION: 'Azure OpenAI API Version Here if using Azure OpenAI Model'
+# OPENAI_API_BASE_URL: 'LM base URL here if using Local or alternative api Endpoint'
+# GROQ_API_KEY: 'Groq Models API Key'