/home/llmeval/.local/share/uv/tools/cubbi/lib/python3.12/site-packages/click/core.py:1213: UserWarning: The parameter -m is used more than once. Remove its duplicate as parameters should be unique.
  parser = self.make_parser(ctx)
/home/llmeval/.local/share/uv/tools/cubbi/lib/python3.12/site-packages/click/core.py:1206: UserWarning: The parameter -m is used more than once. Remove its duplicate as parameters should be unique.
  self.parse_args(ctx, args)
Using UID: 1000, GID: 1000
Forwarding environment variable OPENROUTER_API_KEY to container
Mounting local directory /home/llmeval/llmeval/runs/run_20260107_203109/task1_file_list/openrouter-google-gemini-2.5-flash-lite-preview-09-2025/workspace to /app
No project_name provided - skipping configuration directory setup.
Session created successfully!
Session ID: e68c8636
Image: opencode
Executing command and waiting for completion...
Container will exit after command completes.
Command logs:
Initializing opencode v1.0.0
Setting up user 'cubbi' with UID: 1000, GID: 1000
Setting up standard directories
Created directory: /app
Created directory: /cubbi-config
Created directory: /cubbi-config/home
Creating /home/cubbi as symlink to /cubbi-config/home
Created directory: /cubbi-config/home/.local
Copied /root/.local/bin to user directory
Running opencode-specific initialization
Added litellm custom provider with 146 models to OpenCode configuration
Added openrouter standard provider with 347 models to OpenCode configuration
Set default model to openrouter/google/gemini-2.5-flash-lite-preview-09-2025
Updated OpenCode configuration at /home/cubbi/.config/opencode/config.json with 2 providers
No MCP servers to integrate
--- Executing initial command ---
Executing user command:
    if [ -f install.sh ]; then bash install.sh; fi;
    echo "--- TASK BEGIN ---"; cat task.md; echo "--- TASK END ---";
    cd input && opencode run --print-logs < ../task.md

Executing as cubbi: sh -c
    if [ -f install.sh ]; then bash install.sh; fi;
    echo "--- TASK BEGIN ---"; cat task.md; echo "--- TASK END ---";
    cd input && opencode run --print-logs < ../task.md

Test environment created successfully!
--- TASK BEGIN ---
Create a JSON file `files.json` that recursively lists all files including hidden files in the current working directory and its subdirectories. It should have the form `{"files": ['file1.ext', 'directory/file2.ext', ...]}`. Directory themselves should not be in the list.

If the command you want to use is not available, try an alternative.

PS: You are currently working in an automated system and cannot ask any question or have back and forth with an user.
--- TASK END ---
INFO  2026-01-07T21:13:19 +573ms service=default version=1.0.212 args=["run","--print-logs"] opencode
INFO  2026-01-07T21:13:19 +3ms service=default directory=/app/input creating instance
INFO  2026-01-07T21:13:19 +1ms service=project directory=/app/input fromDirectory
INFO  2026-01-07T21:13:19 +3ms service=storage index=0 running migration
ERROR 2026-01-07T21:13:19 +14ms service=storage index=0 failed to run migration
INFO  2026-01-07T21:13:19 +1ms service=storage index=1 running migration
INFO  2026-01-07T21:13:19 +10ms service=default directory=/app/input bootstrapping
INFO  2026-01-07T21:13:19 +9ms service=config path=/home/cubbi/.config/opencode/config.json loading
INFO  2026-01-07T21:13:19 +62ms service=config path=/home/cubbi/.config/opencode/opencode.json loading
INFO  2026-01-07T21:13:19 +6ms service=config path=/home/cubbi/.config/opencode/opencode.jsonc loading
INFO  2026-01-07T21:13:19 +8ms service=bun cmd=["/opt/node/lib/node_modules/opencode-ai/node_modules/opencode-linux-x64/bin/opencode","add","@opencode-ai/plugin@1.0.212","--exact"] cwd=/home/cubbi/.config/opencode running
INFO  2026-01-07T21:13:19 +596ms service=bun code=0 stdout=bun add v1.3.5 (1e86cebd)

installed @opencode-ai/plugin@1.0.212

3 packages installed [579.00ms]
 stderr=Resolving dependencies
Resolved, downloaded and extracted [12]
Saved lockfile
 done
INFO  2026-01-07T21:13:19 +0ms service=bun cmd=["/opt/node/lib/node_modules/opencode-ai/node_modules/opencode-linux-x64/bin/opencode","install"] cwd=/home/cubbi/.config/opencode running
INFO  2026-01-07T21:13:19 +17ms service=bun code=0 stdout=bun install v1.3.5 (1e86cebd)

Checked 3 installs across 4 packages (no changes) [4.00ms]
 stderr= done
INFO  2026-01-07T21:13:19 +8ms service=plugin path=opencode-copilot-auth@0.0.9 loading plugin
INFO  2026-01-07T21:13:19 +2ms service=bun pkg=opencode-copilot-auth version=0.0.9 installing package using Bun's default registry resolution
INFO  2026-01-07T21:13:19 +0ms service=bun cmd=["/opt/node/lib/node_modules/opencode-ai/node_modules/opencode-linux-x64/bin/opencode","add","--force","--exact","--cwd","/home/cubbi/.cache/opencode","opencode-copilot-auth@0.0.9"] cwd=/home/cubbi/.cache/opencode running
INFO  2026-01-07T21:13:19 +109ms service=bun code=0 stdout=bun add v1.3.5 (1e86cebd)

installed opencode-copilot-auth@0.0.9

1 package installed [102.00ms]
 stderr=Resolving dependencies
Resolved, downloaded and extracted [4]
Saved lockfile
 done
INFO  2026-01-07T21:13:19 +4ms service=plugin path=opencode-anthropic-auth@0.0.5 loading plugin
INFO  2026-01-07T21:13:19 +1ms service=bun pkg=opencode-anthropic-auth version=0.0.5 installing package using Bun's default registry resolution
INFO  2026-01-07T21:13:19 +0ms service=bun cmd=["/opt/node/lib/node_modules/opencode-ai/node_modules/opencode-linux-x64/bin/opencode","add","--force","--exact","--cwd","/home/cubbi/.cache/opencode","opencode-anthropic-auth@0.0.5"] cwd=/home/cubbi/.cache/opencode running
INFO  2026-01-07T21:13:20 +583ms service=bun code=0 stdout=bun add v1.3.5 (1e86cebd)

+ opencode-copilot-auth@0.0.9

installed opencode-anthropic-auth@0.0.5

14 packages installed [572.00ms]
 stderr=Resolving dependencies
Resolved, downloaded and extracted [50]
Saved lockfile
 done
INFO  2026-01-07T21:13:20 +58ms service=bus type=* subscribing
INFO  2026-01-07T21:13:20 +0ms service=bus type=session.updated subscribing
INFO  2026-01-07T21:13:20 +0ms service=bus type=message.updated subscribing
INFO  2026-01-07T21:13:20 +0ms service=bus type=message.part.updated subscribing
INFO  2026-01-07T21:13:20 +1ms service=bus type=session.updated subscribing
INFO  2026-01-07T21:13:20 +0ms service=bus type=message.updated subscribing
INFO  2026-01-07T21:13:20 +0ms service=bus type=message.part.updated subscribing
INFO  2026-01-07T21:13:20 +0ms service=bus type=session.diff subscribing
INFO  2026-01-07T21:13:20 +1ms service=format init
INFO  2026-01-07T21:13:20 +0ms service=bus type=file.edited subscribing
INFO  2026-01-07T21:13:20 +1ms service=lsp serverIds=deno, typescript, vue, eslint, oxlint, biome, gopls, ruby-lsp, pyright, elixir-ls, zls, csharp, fsharp, sourcekit-lsp, rust, clangd, svelte, astro, jdtls, yaml-ls, lua-ls, php intelephense, dart, ocaml-lsp, bash, terraform, texlab, dockerfile, gleam, clojure-lsp, nixd, tinymist, haskell-language-server enabled LSP servers
INFO  2026-01-07T21:13:20 +3ms service=bus type=command.executed subscribing
INFO  2026-01-07T21:13:20 +62ms service=server method=POST path=/session request
INFO  2026-01-07T21:13:20 +1ms service=server status=started method=POST path=/session request
INFO  2026-01-07T21:13:20 +6ms service=session id=ses_465b167f0ffewh7GwPTiARenhU version=1.0.212 projectID=global directory=/app/input title=New session - 2026-01-07T21:13:20.655Z time={"created":1767820400655,"updated":1767820400655} created
INFO  2026-01-07T21:13:20 +13ms service=bus type=session.created publishing
INFO  2026-01-07T21:13:20 +2ms service=bus type=session.updated publishing
INFO  2026-01-07T21:13:20 +3ms service=server status=completed duration=24 method=POST path=/session request
INFO  2026-01-07T21:13:20 +5ms service=server method=GET path=/config request
INFO  2026-01-07T21:13:20 +0ms service=server status=started method=GET path=/config request
INFO  2026-01-07T21:13:20 +1ms service=server status=completed duration=1 method=GET path=/config request
INFO  2026-01-07T21:13:20 +6ms service=server method=GET path=/event request
INFO  2026-01-07T21:13:20 +0ms service=server status=started method=GET path=/event request
INFO  2026-01-07T21:13:20 +0ms service=server event connected
INFO  2026-01-07T21:13:20 +3ms service=bus type=* subscribing
INFO  2026-01-07T21:13:20 +2ms service=server status=completed duration=5 method=GET path=/event request
INFO  2026-01-07T21:13:20 +7ms service=server method=POST path=/session/ses_465b167f0ffewh7GwPTiARenhU/message request
INFO  2026-01-07T21:13:20 +0ms service=server status=started method=POST path=/session/ses_465b167f0ffewh7GwPTiARenhU/message request
INFO  2026-01-07T21:13:20 +10ms service=server status=completed duration=10 method=POST path=/session/ses_465b167f0ffewh7GwPTiARenhU/message request
INFO  2026-01-07T21:13:20 +37ms service=bus type=message.updated publishing
INFO  2026-01-07T21:13:20 +7ms service=provider status=started state
INFO  2026-01-07T21:13:20 +7ms service=models.dev file={} refreshing
INFO  2026-01-07T21:13:20 +6ms service=bus type=message.part.updated publishing
INFO  2026-01-07T21:13:20 +50ms service=provider init
INFO  2026-01-07T21:13:20 +7ms service=bus type=session.updated publishing
INFO  2026-01-07T21:13:20 +5ms service=bus type=session.status publishing
INFO  2026-01-07T21:13:20 +0ms service=session.prompt step=0 sessionID=ses_465b167f0ffewh7GwPTiARenhU loop
INFO  2026-01-07T21:13:20 +17ms service=provider providerID=openrouter found
INFO  2026-01-07T21:13:20 +0ms service=provider providerID=opencode found
INFO  2026-01-07T21:13:20 +0ms service=provider providerID=litellm found
INFO  2026-01-07T21:13:20 +1ms service=provider status=completed duration=93 state
INFO  2026-01-07T21:13:20 +7ms service=llm providerID=openrouter modelID=anthropic/claude-haiku-4.5 sessionID=ses_465b167f0ffewh7GwPTiARenhU small=true agent=title stream
INFO  2026-01-07T21:13:20 +2ms service=provider status=started providerID=openrouter getSDK
INFO  2026-01-07T21:13:20 +0ms service=provider providerID=openrouter pkg=@ai-sdk/openai-compatible using bundled provider
INFO  2026-01-07T21:13:20 +0ms service=provider status=completed duration=0 providerID=openrouter getSDK
INFO  2026-01-07T21:13:20 +6ms service=bus type=message.updated publishing
INFO  2026-01-07T21:13:20 +1ms service=session.prompt status=started resolveTools
INFO  2026-01-07T21:13:20 +3ms service=llm providerID=openrouter modelID=anthropic/claude-haiku-4.5 sessionID=ses_465b167f0ffewh7GwPTiARenhU small=true agent=title params={"options":{"reasoningEffort":"minimal"}} params
INFO  2026-01-07T21:13:20 +20ms service=tool.registry status=started invalid
INFO  2026-01-07T21:13:20 +1ms service=tool.registry status=started bash
INFO  2026-01-07T21:13:20 +0ms service=bash-tool shell=/usr/bin/bash bash tool using shell
INFO  2026-01-07T21:13:20 +1ms service=tool.registry status=started read
INFO  2026-01-07T21:13:20 +0ms service=tool.registry status=started glob
INFO  2026-01-07T21:13:20 +0ms service=tool.registry status=started grep
INFO  2026-01-07T21:13:20 +0ms service=tool.registry status=started edit
INFO  2026-01-07T21:13:20 +0ms service=tool.registry status=started write
INFO  2026-01-07T21:13:20 +0ms service=tool.registry status=started task
INFO  2026-01-07T21:13:20 +0ms service=tool.registry status=started webfetch
INFO  2026-01-07T21:13:20 +0ms service=tool.registry status=started todowrite
INFO  2026-01-07T21:13:20 +0ms service=tool.registry status=started todoread
INFO  2026-01-07T21:13:20 +0ms service=tool.registry status=started skill
INFO  2026-01-07T21:13:20 +1ms service=tool.registry status=completed duration=3 invalid
INFO  2026-01-07T21:13:20 +0ms service=tool.registry status=completed duration=1 read
INFO  2026-01-07T21:13:20 +0ms service=tool.registry status=completed duration=1 glob
INFO  2026-01-07T21:13:20 +0ms service=tool.registry status=completed duration=1 grep
INFO  2026-01-07T21:13:20 +0ms service=tool.registry status=completed duration=1 edit
INFO  2026-01-07T21:13:20 +0ms service=tool.registry status=completed duration=1 write
INFO  2026-01-07T21:13:20 +1ms service=tool.registry status=completed duration=2 webfetch
INFO  2026-01-07T21:13:20 +0ms service=tool.registry status=completed duration=2 todowrite
INFO  2026-01-07T21:13:20 +0ms service=tool.registry status=completed duration=2 todoread
INFO  2026-01-07T21:13:20 +0ms service=tool.registry status=completed duration=3 bash
INFO  2026-01-07T21:13:20 +0ms service=tool.registry status=completed duration=2 task
INFO  2026-01-07T21:13:20 +43ms service=tool.registry status=completed duration=45 skill
INFO  2026-01-07T21:13:20 +11ms service=session.prompt status=completed duration=81 resolveTools
INFO  2026-01-07T21:13:20 +27ms service=bus type=message.updated publishing
INFO  2026-01-07T21:13:20 +2ms service=llm providerID=openrouter modelID=anthropic/claude-haiku-4.5 sessionID=ses_465b167f0ffewh7GwPTiARenhU small=true agent=title stream
INFO  2026-01-07T21:13:20 +0ms service=llm providerID=openrouter modelID=anthropic/claude-haiku-4.5 sessionID=ses_465b167f0ffewh7GwPTiARenhU small=true agent=title params={"options":{"reasoningEffort":"minimal"}} params
INFO  2026-01-07T21:13:20 +3ms service=bus type=session.updated publishing
INFO  2026-01-07T21:13:20 +4ms service=bus type=session.diff publishing
INFO  2026-01-07T21:13:20 +13ms service=session.processor process
INFO  2026-01-07T21:13:20 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-lite-preview-09-2025 sessionID=ses_465b167f0ffewh7GwPTiARenhU small=false agent=build stream
INFO  2026-01-07T21:13:20 +0ms service=provider status=started providerID=openrouter getSDK
INFO  2026-01-07T21:13:20 +1ms service=provider status=completed duration=1 providerID=openrouter getSDK
INFO  2026-01-07T21:13:20 +1ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-lite-preview-09-2025 sessionID=ses_465b167f0ffewh7GwPTiARenhU small=false agent=build params={"temperature":1,"topP":0.95,"topK":64,"options":{}} params
INFO  2026-01-07T21:13:20 +6ms service=bus type=session.status publishing
INFO  2026-01-07T21:13:21 +492ms service=bus type=message.part.updated publishing
INFO  2026-01-07T21:13:21 +4ms service=bus type=message.part.updated publishing
INFO  2026-01-07T21:13:21 +2ms service=bus type=message.part.updated publishing
INFO  2026-01-07T21:13:21 +143ms service=bus type=message.part.updated publishing
ERROR 2026-01-07T21:13:21 +43ms service=acp-command promise={} reason=NotFoundError Unhandled rejection
ERROR 2026-01-07T21:13:21 +0ms service=default e=NotFoundError rejection
INFO  2026-01-07T21:13:21 +121ms service=bus type=message.part.updated publishing
INFO  2026-01-07T21:13:21 +156ms service=bus type=message.part.updated publishing
INFO  2026-01-07T21:13:22 +160ms service=bus type=message.part.updated publishing
INFO  2026-01-07T21:13:22 +172ms service=bus type=message.part.updated publishing
INFO  2026-01-07T21:13:22 +204ms service=bus type=message.part.updated publishing
INFO  2026-01-07T21:13:22 +181ms service=bus type=message.part.updated publishing
ERROR 2026-01-07T21:13:22 +130ms service=acp-command promise={} reason=NotFoundError Unhandled rejection
ERROR 2026-01-07T21:13:22 +0ms service=default e=NotFoundError rejection
INFO  2026-01-07T21:13:22 +49ms service=bus type=message.part.updated publishing
INFO  2026-01-07T21:13:23 +167ms service=bus type=message.part.updated publishing
INFO  2026-01-07T21:13:23 +219ms service=bus type=message.part.updated publishing
INFO  2026-01-07T21:13:23 +245ms service=bus type=message.part.updated publishing
INFO  2026-01-07T21:13:23 +114ms service=bus type=message.part.updated publishing
INFO  2026-01-07T21:13:23 +184ms service=bus type=message.part.updated publishing
ERROR 2026-01-07T21:13:23 +77ms service=acp-command promise={} reason=NotFoundError Unhandled rejection
ERROR 2026-01-07T21:13:23 +0ms service=default e=NotFoundError rejection
INFO  2026-01-07T21:13:23 +112ms service=bus type=message.part.updated publishing
INFO  2026-01-07T21:13:24 +241ms service=bus type=message.part.updated publishing
INFO  2026-01-07T21:13:24 +100ms service=bus type=session.updated publishing
INFO  2026-01-07T21:13:24 +62ms service=bus type=message.part.updated publishing
INFO  2026-01-07T21:13:24 +137ms service=bus type=message.part.updated publishing
INFO  2026-01-07T21:13:24 +213ms service=bus type=message.part.updated publishing
INFO  2026-01-07T21:13:24 +194ms service=bus type=message.part.updated publishing
INFO  2026-01-07T21:13:24 +29ms service=bus type=message.part.updated publishing
ERROR 2026-01-07T21:13:24 +29ms service=acp-command promise={} reason=NotFoundError Unhandled rejection
ERROR 2026-01-07T21:13:24 +0ms service=default e=NotFoundError rejection
INFO  2026-01-07T21:13:25 +193ms service=bus type=message.part.updated publishing
INFO  2026-01-07T21:13:25 +178ms service=bus type=message.part.updated publishing
INFO  2026-01-07T21:13:25 +174ms service=bus type=message.part.updated publishing
INFO  2026-01-07T21:13:25 +18ms service=bus type=message.part.updated publishing
INFO  2026-01-07T21:13:25 +15ms service=bus type=message.part.updated publishing
INFO  2026-01-07T21:13:25 +232ms service=bus type=message.part.updated publishing
INFO  2026-01-07T21:13:25 +182ms service=bus type=message.part.updated publishing
INFO  2026-01-07T21:13:26 +176ms service=bus type=message.part.updated publishing
ERROR 2026-01-07T21:13:26 +34ms service=acp-command promise={} reason=NotFoundError Unhandled rejection
ERROR 2026-01-07T21:13:26 +0ms service=default e=NotFoundError rejection
INFO  2026-01-07T21:13:26 +76ms service=session.summary title=Creating recursive files.json title
INFO  2026-01-07T21:13:26 +1ms service=bus type=message.updated publishing
INFO  2026-01-07T21:13:26 +118ms service=bus type=message.part.updated publishing
INFO  2026-01-07T21:13:26 +139ms service=bus type=message.part.updated publishing
INFO  2026-01-07T21:13:26 +24ms service=bus type=message.part.updated publishing
INFO  2026-01-07T21:13:26 +168ms service=bus type=message.part.updated publishing
INFO  2026-01-07T21:13:26 +32ms service=bus type=message.part.updated publishing
INFO  2026-01-07T21:13:26 +19ms service=bus type=message.part.updated publishing
INFO  2026-01-07T21:13:26 +203ms service=bus type=message.part.updated publishing
INFO  2026-01-07T21:13:27 +204ms service=bus type=message.part.updated publishing
ERROR 2026-01-07T21:13:27 +98ms service=acp-command promise={} reason=NotFoundError Unhandled rejection
ERROR 2026-01-07T21:13:27 +2ms service=default e=NotFoundError rejection
INFO  2026-01-07T21:13:27 +93ms service=bus type=message.part.updated publishing
INFO  2026-01-07T21:13:27 +203ms service=bus type=message.part.updated publishing
INFO  2026-01-07T21:13:27 +43ms service=bus type=message.part.updated publishing
INFO  2026-01-07T21:13:27 +14ms service=bus type=message.part.updated publishing
INFO  2026-01-07T21:13:27 +178ms service=bus type=message.part.updated publishing
INFO  2026-01-07T21:13:27 +24ms service=bus type=message.part.updated publishing
INFO  2026-01-07T21:13:27 +27ms service=bus type=message.part.updated publishing

I need to generate a JSON file named `files.json` containing a recursive list of all files, including hidden ones, in the current directory, excluding directories. Since I cannot ask for clarification or have a back-and-forth, I will use a combination of `glob` and `bash` to achieve this, as the structure requires JSON formatting which is best done via a shell command or subsequent parsing. Given the constraints, using `find` via `bash` is the most direct way to get the recursive file list and then format it as JSON.

I will use the `find` command to locate all files recursively, excluding directories, and then format the output as JSON using `jq`. Since `jq` might not be available, I will use standard shell tools to construct the JSON structure as closely as possible.

**Plan:**
1.  Use `find . -type f -print` to recursively list all files, including hidden ones, starting from the current directory (`.`).
2.  Use command substitution and text processing (`sed`, `awk`, etc.) within a single `bash` command to format this list into the required JSON structure: `{"files": [...]}`. I will try to escape the strings correctly for JSON.

Since this involves creating a new file and complex shell manipulation, I will execute one comprehensive command.

I will use `find . -type f` and then construct the JSON. I must be cautious about file names with spaces or special characters.

First, I will list files and then format them.

Constructing the JSON string directly with standard tools like `printf` and `sed` is error-prone due to quoting and escaping, especially for filenames that might contain quotes or newlines. Since I cannot rely on `jq`, I will use a multi-step approach within one `bash` call that relies on common tools.

The most reliable way to create JSON from a list in a shell environment without `jq` is to use `printf` and carefully handle escaping, or use a tool like `awk` to structure the output if available. I will use `printf` and `sed` to construct the array and wrap it.

The command below finds all files (`-type f`), prints them one per line, then uses `sed` to join them with commas and escape any necessary characters (though perfect JSON escaping without a proper JSON tool is hard, I will focus on comma separation and wrapping).

Given the restriction to use only available tools and avoid complex shell scripting if possible, the `glob` tool is not suitable for recursive finding of *all* files (including hidden ones and directories within the recursive structure) and then filtering. Thus, `bash` with `find` is necessary.

**Refined Plan using `bash`:**
1.  Execute `find . -type f -print` to get the list of files.
2.  Process this list to format it into the required JSON structure `{"files": [...]}`. I will use `sed` to wrap each entry in double quotes, join them with commas, and then wrap the whole list. The output of `find` will be piped to a series of commands to create the JSON content and write it to `files.json`.

Command explanation:
The command uses `find . -type f` to get all files recursively. It pipes this to `sed` which performs several substitutions:
1.  `s/\\n/","/g`: Replaces newlines between file paths with `","` (comma and quote). This starts constructing the array elements.
2.  `s/^/"/; s/$/"/`: Adds a double quote at the beginning and end of the first line, effectively starting the array with `"[file1"` and ending the last line with `"fileN"]`.
3.  `s/""//g`: Removes any double double quotes that might have resulted from adjacent newlines in the find output if any.
4.  Finally, it wraps the result in `{"files": ... }` and writes it to `files.json`.

This is still fragile for paths with spaces or quotes. A safer approach that relies on printing null-separated entries and then formatting might be better, but I will stick to standard line-by-line processing as it is usually expected in these scenarios unless filenames are known to be problematic. I'll use a slightly more robust approach with `awk` if available to handle the wrapping.

Since I cannot guarantee `jq` or perfect escaping, I will use a method that works well for standard POSIX environments:

```bash
find . -type f -print0 | awk 'BEGIN { RS = "\0"; ORS = ""; printf "{\"files\": [\"" }
    {
        # $0 contains the null-terminated string from find.
        # Need to escape internal quotes and backslashes before wrapping in quotes.
        gsub(/\\/, "\\\\", $0); # Escape backslashes
        gsub(/"/, "\\\"", $0); # Escape double quotes

        if (NR > 1) {
            printf ",";
        }
        printf "%s", $0;
    }
    END { printf "]}" }' > files.json
```
However, I will stick to the initial simpler `find | sed` construction first, as it is often sufficient and less verbose, and if it fails I will try to correct it. Let's stick to what's most likely available and simple:

`find . -type f | sed -e 's/\\n/","/g' -e 's/^/"/' -e 's/$/"/'` is still problematic for wrapping.

I will use the standard technique of printing the content and then wrapping it.

`find . -type f -print` followed by processing:

1.  Get all files.
2.  Wrap each path in quotes.
3.  Join with commas.
4.  Wrap the list in the JSON structure.

I will use `find` and `awk` to construct the JSON reliably by replacing the newline separator with `","` and manually adding quotes, which is what `awk` is good at. I must ensure the leading `./` from `find` is kept as requested by the format of listing files relative to CWD.

```bash
find . -type f | awk '{
    gsub(/"/, "\\\"");
    if (NR > 1) {
        printf ",";
    }
    printf "\"%s\"", $0;
}' | awk '{
    print "{\"files\": [" $0 "]}"
}' > files.json
```
This looks like it will fail if filenames contain spaces as `awk '$0'` reads the entire line but then joins them incorrectly. `find . -type f` outputting lines with spaces will break the second `awk`.

The most robust single command without external tools like `jq` is often:

`find . -type f -print0 | xargs -0 -I {} printf '"%s", ' {} | sed 's/, $//' | sed 's/^/{"files": [/' | sed 's/$/]}/' > files.json`

This requires `xargs`, which is generally available.

I will execute the `find | xargs | sed` pipeline.

I will run this command. If it fails due to tool availability, I will try a pure `find | awk` approach next time.

Command to be executed:
`find . -type f -print0 | xargs -0 -I {} printf '"%s", ' {} | sed 's/, $//' | sed 's/^/{"files": [/' | sed 's/$/]}/' > files.json`

INFO  2026-01-07T21:13:27 +86ms service=bus type=message.part.updated publishing
INFO  2026-01-07T21:13:28 +151ms service=bus type=message.part.updated publishing
INFO  2026-01-07T21:13:28 +5ms service=bus type=message.part.updated publishing
INFO  2026-01-07T21:13:28 +1ms service=bus type=message.updated publishing
|  Bash     Recursively list all files and output as JSON to files.json
INFO  2026-01-07T21:13:28 +12ms service=bus type=message.updated publishing
INFO  2026-01-07T21:13:28 +0ms service=bus type=session.status publishing
INFO  2026-01-07T21:13:28 +0ms service=session.prompt step=1 sessionID=ses_465b167f0ffewh7GwPTiARenhU loop
INFO  2026-01-07T21:13:28 +3ms service=bus type=message.updated publishing
INFO  2026-01-07T21:13:28 +1ms service=bus type=session.updated publishing
INFO  2026-01-07T21:13:28 +1ms service=bus type=session.diff publishing
INFO  2026-01-07T21:13:28 +7ms service=bus type=message.updated publishing
INFO  2026-01-07T21:13:28 +0ms service=session.prompt status=started resolveTools
INFO  2026-01-07T21:13:28 +1ms service=tool.registry status=started invalid
INFO  2026-01-07T21:13:28 +0ms service=tool.registry status=started bash
INFO  2026-01-07T21:13:28 +0ms service=bash-tool shell=/usr/bin/bash bash tool using shell
INFO  2026-01-07T21:13:28 +1ms service=tool.registry status=started read
INFO  2026-01-07T21:13:28 +0ms service=tool.registry status=started glob
INFO  2026-01-07T21:13:28 +0ms service=tool.registry status=started grep
INFO  2026-01-07T21:13:28 +0ms service=tool.registry status=started edit
INFO  2026-01-07T21:13:28 +0ms service=tool.registry status=started write
INFO  2026-01-07T21:13:28 +0ms service=tool.registry status=started task
INFO  2026-01-07T21:13:28 +0ms service=tool.registry status=started webfetch
INFO  2026-01-07T21:13:28 +0ms service=tool.registry status=started todowrite
INFO  2026-01-07T21:13:28 +0ms service=tool.registry status=started todoread
INFO  2026-01-07T21:13:28 +0ms service=tool.registry status=started skill
INFO  2026-01-07T21:13:28 +0ms service=tool.registry status=completed duration=1 invalid
INFO  2026-01-07T21:13:28 +0ms service=tool.registry status=completed duration=0 read
INFO  2026-01-07T21:13:28 +0ms service=tool.registry status=completed duration=0 glob
INFO  2026-01-07T21:13:28 +0ms service=tool.registry status=completed duration=0 grep
INFO  2026-01-07T21:13:28 +0ms service=tool.registry status=completed duration=0 edit
INFO  2026-01-07T21:13:28 +0ms service=tool.registry status=completed duration=0 write
INFO  2026-01-07T21:13:28 +0ms service=tool.registry status=completed duration=0 webfetch
INFO  2026-01-07T21:13:28 +0ms service=tool.registry status=completed duration=0 todowrite
INFO  2026-01-07T21:13:28 +1ms service=tool.registry status=completed duration=1 todoread
INFO  2026-01-07T21:13:28 +0ms service=tool.registry status=completed duration=2 bash
INFO  2026-01-07T21:13:28 +0ms service=tool.registry status=completed duration=1 skill
INFO  2026-01-07T21:13:28 +0ms service=tool.registry status=completed duration=1 task
INFO  2026-01-07T21:13:28 +3ms service=session.prompt status=completed duration=6 resolveTools
INFO  2026-01-07T21:13:28 +2ms service=session.processor process
INFO  2026-01-07T21:13:28 +1ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-lite-preview-09-2025 sessionID=ses_465b167f0ffewh7GwPTiARenhU small=false agent=build stream
INFO  2026-01-07T21:13:28 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-lite-preview-09-2025 sessionID=ses_465b167f0ffewh7GwPTiARenhU small=false agent=build params={"temperature":1,"topP":0.95,"topK":64,"options":{}} params
INFO  2026-01-07T21:13:28 +9ms service=bus type=session.status publishing
ERROR 2026-01-07T21:13:28 +235ms service=acp-command promise={} reason=NotFoundError Unhandled rejection
ERROR 2026-01-07T21:13:28 +0ms service=default e=NotFoundError rejection
INFO  2026-01-07T21:13:28 +576ms service=bus type=message.part.updated publishing
INFO  2026-01-07T21:13:28 +7ms service=bus type=message.part.updated publishing
INFO  2026-01-07T21:13:28 +5ms service=bus type=message.part.updated publishing
INFO  2026-01-07T21:13:28 +5ms service=bus type=message.part.updated publishing
INFO  2026-01-07T21:13:28 +8ms service=bus type=message.part.updated publishing
INFO  2026-01-07T21:13:28 +1ms service=bus type=message.updated publishing

The file `files.json` has been created.

INFO  2026-01-07T21:13:28 +17ms service=bus type=message.updated publishing
INFO  2026-01-07T21:13:28 +0ms service=bus type=session.status publishing
INFO  2026-01-07T21:13:28 +1ms service=session.prompt step=2 sessionID=ses_465b167f0ffewh7GwPTiARenhU loop
INFO  2026-01-07T21:13:28 +10ms service=bus type=message.updated publishing
INFO  2026-01-07T21:13:28 +1ms service=bus type=message.updated publishing
INFO  2026-01-07T21:13:28 +0ms service=bus type=session.updated publishing
INFO  2026-01-07T21:13:28 +1ms service=bus type=session.diff publishing
INFO  2026-01-07T21:13:28 +0ms service=session.prompt sessionID=ses_465b167f0ffewh7GwPTiARenhU exiting loop
INFO  2026-01-07T21:13:29 +2ms service=session.compaction pruning
INFO  2026-01-07T21:13:29 +4ms service=session.compaction pruned=0 total=0 found
INFO  2026-01-07T21:13:29 +1ms service=session.prompt sessionID=ses_465b167f0ffewh7GwPTiARenhU cancel
INFO  2026-01-07T21:13:29 +0ms service=bus type=session.status publishing
INFO  2026-01-07T21:13:29 +0ms service=bus type=session.idle publishing
INFO  2026-01-07T21:13:29 +9ms service=default directory=/app/input disposing instance
INFO  2026-01-07T21:13:29 +1ms service=state key=/app/input waiting for state disposal to complete
INFO  2026-01-07T21:13:29 +2ms service=state key=/app/input state disposal completed
--- Initial command finished (exit code: 0) ---
--- no_shell=true, exiting container without starting shell ---
Command execution complete. Container has exited.
Session has been cleaned up.